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Hacker One
Hacker One
added 2014/02/19 12:0 a.m.116 views

Internet Bug Bounty: moderate: mod_deflate denial of service

A resource consumption flaw was found in moddeflate. If request body decompression was configured using the "DEFLATE" input filter, a remote attacker could cause the server to consume significant memory and/or CPU resources. The use of request body decompression is not a common configuration...

4.3CVSS5.5AI score0.37156EPSS
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Hacker One
Hacker One
added 2024/05/16 7:4 p.m.115 views

U.S. Dept Of Defense: Out-Of-Bounds Memory Read on ███

Vulnerability description not provided...

9.4CVSS8.4AI score0.99999EPSS
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Hacker One
Hacker One
added 2023/11/27 11:14 a.m.115 views

EXNESS: Unrestricted Access to Celery Flower Instance

The publicly accessible Celery Flower instance allowed unrestricted access, exposing sensitive information, and the ability to manipulate tasks...

6.9AI score
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Hacker One
Hacker One
added 2023/04/07 7:31 p.m.115 views

U.S. Dept Of Defense: Default Credentials on Kinetic Core System Console - https://█████/kinetic/app/

Weak default credentials of "admin/admin" were discovered on the Kinetic Core System Console application, potentially allowing attackers to identify underlying technologies and access sensitive information such as server logs and user data. The vulnerability was present in version 2.1.0-SNAPSHOT...

6.9AI score
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Hacker One
Hacker One
added 2023/02/28 6:6 p.m.115 views

Internet Bug Bounty: JWT audience claim is not verified

An improper authorization vulnerability existed in all versions of Argo CD starting with v1.8.2, allowing the API to accept certain invalid tokens due to the lack of validation of the audience claim in signed tokens. This could allow an attacker to use a stolen token intended for a different...

9CVSS8.9AI score0.00879EPSS
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Hacker One
Hacker One
added 2022/09/14 7:13 p.m.115 views

Shopify: Shop App - Attacker is able to intercept authorization code during authentication (OAuth) and is able to get access to Microsoft Outlook email account

A vulnerability was discovered in the Shop App's Microsoft Outlook OAuth flow, where a malicious app could intercept the authorization code during authentication due to the use of deep links. This could allow an attacker to gain access to the victim's emails. The issue was mitigated by implementi...

7.5AI score
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Hacker One
Hacker One
added 2022/05/15 1:56 a.m.115 views

curl: CVE-2022-32206: HTTP compression denial of service

Summary: Curl does not prevent resource consumption when processing certain header types, but keeps on allocating more and more resources until the application terminates or the system crashes, see below. The attack vectors include at least: - Sending many Transfer-Encodingwith repeated encodings...

4.3CVSS7.8AI score0.3216EPSS
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Hacker One
Hacker One
added 2020/12/31 9:57 p.m.115 views

h1-ctf: H1 Hackyholidays CTF - The Grinch was defeated

The following writeup will underline all the steps and tools used to solve the 12 challenges of the H1 Holidays CTF. The theme of the competition was the Grinch. How it is possible to read from the competition blog post https://www.hackerone.com/blog/12-days-hacky-holidays-ctf , the goal was to...

8.2AI score
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Hacker One
Hacker One
added 2020/12/31 12:42 p.m.115 views

h1-ctf: First CTF ever!

Pretext Started looking into hacking this autumn and then found out HackerOne was doing a Christmas themed CTF. Further investigation showed that the deplorable Grinch might be up to no good again - Christmas is in danger! TLDR Lots of hacking took place, the Grinch was stopped, Christmas saved a...

6.1AI score
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Hacker One
Hacker One
added 2020/10/30 8:34 a.m.115 views

TikTok: HTML Injection on Company Name on Email

By changing the company name to any HTML code on the TikTok Creator Marketplace, an attacker could potentially use this to send phishing emails to users containing injected HTML payload. We thank @gnux for reporting this to our team and confirming the resolution!...

1.3AI score
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Hacker One
Hacker One
added 2020/10/06 1:44 p.m.115 views

Acronis: Ticket Trick at https://account.acronis.com

Summary Hello dear team, I found a serious issue in Acronis This vulnerability is called ticket trick vulnerability which comes under critical category. Which can allow me to login on websites like atlassian,github,clouflare,choopa,..etc on behalf of [email protected] . Steps To Reprodu...

0.6AI score
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Hacker One
Hacker One
added 2020/09/11 3:33 a.m.115 views

CS Money: Internal Path Disclosure

Hello Team, I would like to report internal path disclosure in response. I was trying for Stored XSS but got no luck in that process. I observed the responses, one of the responses showing file path with 500 Internal Server Error. Steps To Reproduce: 1. Go to cs.money and sign in through steam...

0.4AI score
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Hacker One
Hacker One
added 2020/07/22 5:17 p.m.115 views

lemlist: Stored XSS at [ https://app.lemlist.com/campaigns/cam_QRS5caF2ca7MJtiLS/leads ] in " LINKEDIN URL" Field.

Summary: Vulnerability : A. Type:- Cross Site Scripting Stored B. Description:- Stored XSS, also known as persistent XSS, is the more damaging than non-persistent XSS. It occurs when a malicious script is injected directly into a vulnerable web application. Summary : When you will login into the...

6.6AI score
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Hacker One
Hacker One
added 2020/04/24 1:24 p.m.115 views

Starbucks: CRLF injection on www.starbucks.com

The vulnerability allows setting arbitrary headers, and also enables response splitting which can then be exploited further. POC: curl -i 'https://www.starbucks.com/email-prospecttg9wh%0d%0aset-cookie:foo%0d%0a%0d%0a4t6uf?requesturl=/responsibility/global-report/policies' -d...

3.7AI score
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Hacker One
Hacker One
added 2020/02/24 6:56 p.m.115 views

Nord Security: Reduced Payment amount while paying on Crypto Currencies

Summary: While the payment is made via Crypto Currencies on the site "https://join.nordvpn.com/order/", the amount can be reduced to 25.64 instead of the original amount, this can cause loss of revenue to the company. Even the BTC value reflects the reduced converted values, see the screenshot...

6.7AI score
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Hacker One
Hacker One
added 2020/02/05 1:55 p.m.115 views

New Relic: Bypassing Protection Mechanism: Change of Account Name after Session Log out

The researcher illustrated a delay in session invalidation. This has not been added to our public policy to help prevent confusion...

0.3AI score
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Hacker One
Hacker One
added 2019/11/02 8:29 p.m.115 views

Rocket.Chat: Clickjacking in the admin page

Summary: Hello Rocket.Chat, There is a clickjacking vulnerability in a very critical page which is the admin info page. For my installation, the URL https://penetrationtester.rocket.chat/admin/users was used for creating the PoC. Description: Clickjacking User Interface redress attack, UI redress...

0.2AI score
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Hacker One
Hacker One
added 2019/03/21 2:29 p.m.115 views

Semmle: All Burp Suite Scan report

Summary: 1. Detected Deserialization RCE: Jackson 1.1. https://lgtm-com.pentesting.semmle.net/blog/ lgtmshortsession cookie 1.2. https://lgtm-com.pentesting.semmle.net/internalapi/v0.2/getSuggestedProjects apiVersion parameter 2. Session token in URL 3. CSP: Inline scripts can be inserted 3.1...

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Hacker One
Hacker One
added 2018/07/22 12:50 p.m.116 views

Chaturbate: Blind SSRF on image proxy camo.stream.highwebmedia.com

The hacker discovered that our secure image proxy camo.stream.highwebmedia.com could be used to access https endpoints on internal ips. The application was patched to not allow access to internal ips. In this case these servers are in a separate cluster with no access to other services so possibl...

2.3AI score
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Hacker One
Hacker One
added 2018/02/17 11:18 p.m.115 views

Phabricator: Window.opener fix bypass

Description Due to a recent reporthttps://hackerone.com/reports/306414 a fix was deployed in order to resolve the tabnabbing issue. However by using a line break the fix can be bypassed. Steps to reproduce 1 Browse to your Phabricator instance and create a new document. 2 Now paste in the followi...

6.6AI score
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Hacker One
Hacker One
added 2017/09/09 4:40 p.m.115 views

Gratipay: Information Disclosure on inside.gratipay.com

Hello @gratipay, By checking request headers I've been able to identify that inside.gratipay.com is running on Server: WSGIServer/0.1 Python/2.7.11. Request: https://inside.gratipay.com/assets/inside-gratipay.svg GET /assets/inside-gratipay.svg HTTP/1.1 Host: inside.gratipay.com User-Agent:...

0.9AI score
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Hacker One
Hacker One
added 2016/05/27 4:1 p.m.115 views

drchrono: Stored XSS via AngularJS Injection

Hi All, I've found a stored XSS vulnerability via an Angular Template Injection in the messages referral address field. Description After visiting https://1337test.drchrono.com/messages/referrals/contacts/, you can enter new contact information. In the field for the address, if enter 55, when the...

0.2AI score
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Hacker One
Hacker One
added 2015/02/25 7:49 a.m.115 views

Mail.ru: scfbp.tng.mail.ru: Heartbleed

MacBook-Pro-Kirill:Pentest isox$ python heartbleed.py scfbp.tng.mail.ru defribulator v1.16 A tool to test and exploit the TLS heartbeat vulnerability aka heartbleed CVE-2014-0160 Connecting to: scfbp.tng.mail.ru:443, 1 times Sending Client Hello for TLSv1.0 Received Server Hello for TLSv1.0...

5CVSS7.7AI score0.99999EPSS
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Hacker One
Hacker One
added 2022/01/30 7:31 a.m.114 views

Internet Bug Bounty: Ruby CVE-2021-41819: Cookie Prefix Spoofing in CGI::Cookie.parse

Release note: https://www.ruby-lang.org/en/news/2021/11/24/cookie-prefix-spoofing-in-cgi-cookie-parse-cve-2021-41819/ The old versions of CGI::Cookie.parse applied URL decoding to cookie names. An attacker could exploit this vulnerability to spoof security prefixes in cookie names, which may be...

5CVSS6.5AI score0.02938EPSS
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Hacker One
Hacker One
added 2021/03/25 10:43 p.m.114 views

GitHub Security Lab: Java : Add query for detecting Log Injection vulenrabilities

This bug was reported directly to GitHub Security Lab...

1.4AI score
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Hacker One
Hacker One
added 2021/03/20 7:21 p.m.114 views

Ruby: Path traversal in Tempfile on windows OS due to unsanitized backslashes

Hi team, Summary We've noticed that both arguments basename and ext of Tempfile on Windows are vulnerable to a path traversal which could allow unintentional file creating in arbitrary writable directories. Tempfile often has a user control either by basename or ext or both. PoC irbmain:029:0...

5CVSS2.4AI score0.57133EPSS
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Hacker One
Hacker One
added 2021/02/12 1:8 a.m.114 views

curl: CVE-2021-22876: Automatic referer leaks credentials

Summary: When using the --referer ';auto' feature the current URL is copied as-is to the referrer header of the subsequent request. The recommendation 1 is to strip these along with the URL fragment. I can imagine this may, in rare cases, result in unwanted/unexpected disclosure of credentials e....

5CVSS6AI score0.05301EPSS
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Hacker One
Hacker One
added 2020/11/06 5:29 a.m.114 views

Exodus: Exposed Configuration Files at https://www.exodus.io/keybase.txt

Summary: Username, uid information is present in txt file. Steps To Reproduce: 1. Open This link https://www.exodus.io/keybase.txt 2. Search for username, uid 3. You will get some usernames with uid. Impact This information may help attacker in further attacks...

6.8AI score
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Hacker One
Hacker One
added 2020/08/10 11:2 p.m.114 views

HackerOne: Graphql: Sorting the reports by jira_status field resulted to different value

Summary: Sorting the reports by jirastatus yield to different result depicting the team is using jira even the user has no access. Description: A user with no access to jira information of any reports can somehow access the jira field using orderby through jirastatus Using the 2 graphql below we...

6.8AI score
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Hacker One
Hacker One
added 2020/05/11 11:15 a.m.114 views

Automattic: Stored XSS in assets.txmblr.com

Description Hi, i would like to report a issue that i think is legitimate. to get this XSS we need to create a Post in the attacker account with a payload, after this, it's necessary that a victim reblog this post and so, enter in the edit mode of their own blog, after this the victim will see a...

0.6AI score
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Hacker One
Hacker One
added 2019/10/28 6:37 p.m.114 views

curl: Race condition with CURL_LOCK_DATA_CONNECT can cause connections to be used at the same time

Summary: We've seen race conditions when using CURLLOCKDATACONNECT in libcurl where sometimes two different threads using two different easy handles ends up sharing the same connection pointer at the same time. This causes UAFs and double frees when both threads are freeing items on the same...

7AI score
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Hacker One
Hacker One
added 2019/10/27 6:21 p.m.114 views

Semrush: Code injection in https://www.semrush.com

INTRODUCES: -With a direct error on the homepage, it is easy to trick the victim into accessing a fake page from the attacker STEP: Step: Send url with payload to victim:...

6.8AI score
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Hacker One
Hacker One
added 2019/07/10 9:16 p.m.114 views

OLX: SQL Injection on https://www.olx.co.id

I found the SQL Injection on the website https://www.olx.co.id Affectected URL : https://www.olx.co.id/ajax/buybundle/getbundle/ POC: 1 In this below request i got SQL injection vulnerability in location parameter post method POST /ajax/buybundle/getbundle/ HTTP/1.1 Host: www.olx.co.id User-Agent...

0.4AI score
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Hacker One
Hacker One
added 2019/05/09 6:33 a.m.114 views

X (Formerly Twitter): Verify any unused email address

Summary: Verify any unused email address in twitter account Description: After signing up on twitter it's recommended for a user to verify his/her email address to avoid spam and impersonation, I was able to verify the email without having access to the email itself. Steps To Reproduce: It's a bi...

7AI score
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Hacker One
Hacker One
added 2018/02/03 4:19 p.m.114 views

Pornhub: Stored XSS (client-side, using cookie poisoning) on the pornhubpremium.com

The researcher discovered that a parameter's value was stored in a cookie and that cookie's value was echoed in certain pages. The researcher was successful in providing an XSS payload as this parameter's value and having it execute. DOM XSS through cookie. Discovered by manual inspection of JS...

6.7AI score
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Hacker One
Hacker One
added 2016/10/25 4:54 p.m.114 views

Informatica: [ipm.informatica.com] Sql injection Oracle

Hi host ipm.informatica.com is vulnerable to sql injection attacks the web application does not produce sufficient validation on user input. POC detection request 1 http://ipm.informatica.com/pls/apex/f?1'=1 response 500 HTTP/1.1 500 Internal Server Error request 2...

1AI score
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Hacker One
Hacker One
added 2014/12/17 12:0 a.m.114 views

Internet Bug Bounty: out of bounds read crashes php-cgi

I found and disclosed CVE-2014-9427 to the PHP dev team on 17 December 2014 https://bugs.php.net/bug.php?id=68618 and a patch was committed on 30 December 2014 http://git.php.net/?p=php-src.git;a=commit;h=f9ad3086693fce680fbe246e4a45aa92edd2ac35 and the flaw is now fixed. Details of the flaw:...

7.5CVSS7.7AI score0.1689EPSS
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Hacker One
Hacker One
added 2025/02/11 8:22 a.m.113 views

Internet Bug Bounty: Possible DoS by memory exhaustion in net/imap

The net-imap gem implemented an IMAP client in Ruby. Versions prior to 0.3.8, 0.4.19, and 0.5.6 contained a vulnerability that could lead to denial of service by memory exhaustion. The vulnerability was caused by the response parser using Rangetoa to convert uid-set data without limiting the...

6.5CVSS6.9AI score0.00608EPSS
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Hacker One
Hacker One
added 2024/03/31 8:25 p.m.113 views

Internet Bug Bounty: CVE-2024-2398: HTTP/2 push headers memory-leak

A memory leak was found in libcurl when handling HTTP/2 push headers. The vulnerability was caused by libcurl's failure to properly release the allocated memory when aborting a server push due to the maximum allowed limit being exceeded. This could lead to denial of service due to memory exhausti...

8.6CVSS7.8AI score0.36081EPSS
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Hacker One
Hacker One
added 2022/07/27 8:3 p.m.113 views

Internet Bug Bounty: CVE-2022-21831: Possible code injection vulnerability in Rails / Active Storage

Original report: https://hackerone.com/reports/1154034 Rails advisory: https://discuss.rubyonrails.org/t/cve-2022-21831-possible-code-injection-vulnerability-in-rails-active-storage/80199 Blogpost:...

6.8CVSS8.9AI score0.02925EPSS
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Hacker One
Hacker One
added 2021/08/19 8:28 p.m.113 views

Affirm: Subdomain takeover due to non registered TLD [ ██████████.█████.██████.com ]

Summary: I was looking at recent disclosed report 1297689 and I was thinking to take a look for the same issue on this asset as I love to test for subdomain takeover vulnerabilities. While testing I noticed a DNS entry for ███████.████.██████████.com is CNAME ████.███████████ which's TLD is not...

6.7AI score
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Hacker One
Hacker One
added 2021/04/26 9:34 p.m.113 views

GitHub Security Lab: Java: JSONP Injection

This bug was reported directly to GitHub Security Lab...

1.2AI score
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Hacker One
Hacker One
added 2021/04/23 6:40 p.m.113 views

Nextcloud: Nextcloud update checks leaks information

Hi, I think this is more of a privacy concern than a security concern. However I wanted to check here first. Please direct me to an other suitable location if needed. It is in relation to https://github.com/nextcloud/server/blob/master/lib/private/Updater/VersionCheck.phpL78 This is sending sever...

2.1AI score
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Hacker One
Hacker One
added 2021/01/19 6:46 a.m.113 views

Nextcloud: [nextcloud.com] Control character allowed in Submit Question

Issue descriptions We found that the maximum length of the first and last name fields was not set to 32 characters at registration and to 1000 characters when using the profile update form. The attacker can use this method as a malware attack, the user will redirect to a website that contains...

0.5AI score
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Hacker One
Hacker One
added 2020/10/07 2:26 a.m.113 views

CS Money: ReDoS at wiki.cs.money graphQL endpoint (AND probably a kind of command injection)

Summary: The endpoint /graphql has a vulnerable query operation named "search", that can I send a Regex malformed parameter, in order to trick the original regular expression to a regex bomb expression. + Payload with a "common" search, querying the value "AAA": query a searchq: "AAA", lang: "en"...

0.3AI score
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Hacker One
Hacker One
added 2020/07/30 4:7 p.m.113 views

Equifax-vdp: Open SonarQube instance leaking internal source code

Summary I came across an open SonarQube instance which can be found here: http://34.238.92.229:9000/ In this, there are 10 projects with a total of around 100k lines of code To identify the owner, I went to the Issues tab and expanded the list of authors. There were 29 people there, and many of...

7.3AI score
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Hacker One
Hacker One
added 2020/07/04 10:2 p.m.113 views

U.S. Dept Of Defense: Reflected XSS on ███████ page

Summary: The page at https://█████/NtMView.php is vulnerable to reflected cross-site scripting. Description: The page takes a user input in the form of a drop down list, then uses that text in the resulting page ███████ . An attacker can intercept the query to the page and insert an XSS payload, ...

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Hacker One
Hacker One
added 2020/07/04 8:36 p.m.113 views

Stripo Inc: Cross-Site WebSocket Hijacking Lead to Steal XSRF-TOKEN

The WebSocket handshake request was vulnerable to CSRF, WebSocket content was contain many sensitive data for the user It was like the PortSwigger Lab...

0.7AI score
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Hacker One
Hacker One
added 2020/02/20 7:15 p.m.113 views

Nord Security: Sensitive Information Disclosure on https://nordvpn.com/

The researcher provided us with a URL where there was a list of NordVPN accounts posted. We want to assure that our service, our users' data is still secure – as far as our website and service are concerned. This is a global issue in cyberspace where hackers know that most users don't bother to s...

6.6AI score
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Hacker One
Hacker One
added 2019/09/23 8:50 p.m.113 views

Mail.ru: worki.ru: SMS code bruteforce

SMS code verification process in worki.ru was not sufficiently protected against bruteforce attack Common flaws of SMS auth: https://blog.deteact.com/common-flaws-of-sms-auth/...

1.6AI score
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Total number of security vulnerabilities5000