Lucene search
+L
HackeroneMost viewed

15525 matches found

Hacker One
Hacker One
added 2018/09/23 5:15 p.m.62 views

Dropbox: Stored XSS in dropboxforum.com

This report described a vulnerability where an attacker could put a specially crafted payload into the reply section of threads on dropboxforum.com to bypass the HTML filter on the site. This enabled a stored XSS attack against anyone viewing the message. This was an issue in Lithium forum...

0.8AI score
SaveExploits0
Hacker One
Hacker One
added 2018/09/21 3:53 p.m.62 views

Grammarly: Permissive CORS policy trusting arbitrary extensions origin

@foobar7 identified that misconfigurations in CORS and CSRF handling allowed malicious browser extensions, which have permission to interact with grammarly.com domain, to impersonate the user. The vulnerability was resolved with improved CSRF/CORS handling...

3.6AI score
SaveExploits0
Hacker One
Hacker One
added 2018/06/20 2:09 p.m.62 views

Brave Software: Unsafe handling of protocol handlers

Summary: Brave browser macOS handles protocol handlers in unsafe way and differently from other browsers. Key differences between protocol handlers handling in Brave and other browsers: Open external app vs Open "Terminal" Brave only asks about opening external app. Other browsers e.g. Chrome ask...

1.4AI score
SaveExploits0
Hacker One
Hacker One
added 2018/05/20 2:35 p.m.62 views

Internet Bug Bounty: [CVE-2018-6913] heap-buffer-overflow in S_pack_rec

pack may cause a heap buffer write overflow with a large item count. Reported to the Perl security mailing list on 5 Aug 2017. Confirmed as a security flaw by TonyC on 30 Jan 2018 CVE-2018-6913 assigned to this flaw on 11 Feb 2018 Public security advisory released on 14 April 2018...

7.5CVSS9.1AI score0.10866EPSS
SaveExploits0
Hacker One
Hacker One
added 2018/01/18 7:32 p.m.62 views

Phabricator: Window.opener protection Bypass

SUMMURY ======== If you create a post/comment with a link like http://x.com in fabricator then server add rel="norefferrer" to anchor tag . So child window dont have access to parent window. But it can be bypassed with url like /\x.com/index.php and child window can change the location property o...

6.9AI score
SaveExploits0
Hacker One
Hacker One
added 2018/01/16 2:26 p.m.62 views

LocalTapiola: Malicious file upload (secure.lahitapiola.fi)

Basic report information Summary: Malicious file upload Description: Hello! I noticed that when a user sends new message you have restricted pretty strictly the files which is ok to upload. Like .svg: F254353 How ever if a user impersonate another user just a one example and start the conversatio...

1AI score
SaveExploits0
Hacker One
Hacker One
added 2017/12/30 6:58 p.m.62 views

GitLab: GitLab CI runner can read and poison cache of all other projects

The GitLab CI runner allows users to cache files and directories in between runs. These files are stored in a ZIP file and uploaded to a shared cache instance. In my testing, the files were uploaded to runners-cache-4-internal.gitlab.com and runners-cache-3-internal.gitlab.com, even for dedicated...

6.5CVSS0.5AI score0.04453EPSS
SaveExploits0
Hacker One
Hacker One
added 2017/11/17 7:18 p.m.62 views

Hacker Target: Sending Emails from DNSDumpster - Server-Side Request Forgery to Internal SMTP Access

| Summary: | | -- | HackerTarget is a service that provides access to online vulnerability scanners and tools used by many security professionals and “makes securing your systems easier”. They also are the creators of DNSDumpster which is a popular service used for recon. | Description: | | --|...

0.1AI score
SaveExploits0
Hacker One
Hacker One
added 2017/08/18 1:20 p.m.62 views

Internet Bug Bounty: Heap Use After Free Read in unserialize()

ext/standard/varunserializer.re in PHP 7.0.x through 7.0.22 and 7.1.x through 7.1.8 is prone to a heap use after free while unserializing untrusted data, related to improper use of the hash API for key deletion in a situation with an invalid array size. Exploitation of this issue can have an...

7.5CVSS9.1AI score0.0742EPSS
SaveExploits0
Hacker One
Hacker One
added 2017/07/10 10:22 p.m.62 views

U.S. Dept Of Defense: Remote Code Execution (RCE) in a DoD website

Summary: One of the DoD applications uses a java library which is vulnerable to expression language injection. Using only an URL I was able to inject java code. I made a simple PoC that requests a name resolution to a DNS server. Description: The application at https://███ uses Primefaces version...

7.9AI score
SaveExploits0
Hacker One
Hacker One
added 2017/07/03 11:43 a.m.62 views

WakaTime: Sensitive Cookie Without 'HttpOnly' Flag

hello wakatime security team i found security vulnerability:Sensitive Cookie Without 'HttpOnly' Flag when i was testing your website then i notice that there is some csrftoken cookie appare in responce but the cookie have not httponly flag.you must should set httponly flag for some following...

6.1AI score
SaveExploits0
Hacker One
Hacker One
added 2017/05/30 10:11 p.m.62 views

Mixmax: Subdomain takeover (sales.mixmax.com)

Unused DNS record was reported, we promptly removed...

1.4AI score
SaveExploits0
Hacker One
Hacker One
added 2017/02/09 6:11 p.m.62 views

Informatica: [wave.informatica.com]- Subdomain missconfiguration

One of your subdomain https://wave.informatica.com has a CNAME record that resolved to ghs.google.com and shows 404 error when navigating to subdomain. You should remove CNAME entry for that subdomain pointing towards ghs.google.com. Although I couldnt verify the domain ownership process to fully...

7AI score
SaveExploits0
Hacker One
Hacker One
added 2017/02/02 5:14 p.m.62 views

Internet Bug Bounty: CVE-2017-5204: The IPv6 parser in tcpdump before 4.9.0 has a buffer overflow in print-ip6.c:ip6_print()

Reported to the project maintainer in October 2016. A specially crafted IPv6 packet could trigger a read outside of buffer in tcpdump. ==27882==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60400000e000 at pc 0x0000005724b5 bp 0x7ffe8e17a790 sp 0x7ffe8e17a788 READ of size 1 at...

7.5CVSS8.8AI score0.05997EPSS
SaveExploits0
Hacker One
Hacker One
added 2016/10/11 5:28 a.m.62 views

Uber: Subdomain takeover on rider.uber.com due to non-existent distribution on Cloudfront

Hi, 3 hours ago, rider.uber.com was responding like this: F127137 This happened on both HTTP and HTTPS. Now, as our blog post from last week says: https://labs.detectify.com/2016/10/05/the-story-of-ev-ssl-aws-and-trailing-dot-domains/ This means that there's a high chance this domain does not hav...

0.3AI score
SaveExploits0
Hacker One
Hacker One
added 2016/08/10 10:34 a.m.62 views

Shopify: Access to Splunk at https://apt.ec2.shopify.com:8089

Description: Default Splunk admin credentials were found at https://apt.ec2.shopify.com:8089 Default credentials login:admin password:changeme See pic 1 as POC Resolution: Change credentials Please let me know if you need some extra information. Sorry if this report if out of scope, i thought it...

7.1AI score
SaveExploits0
Hacker One
Hacker One
added 2016/07/31 9:57 p.m.62 views

Nextcloud: Arbitrary File Upload in Logo & Log in image Theming setting.

Hi team First I think this vulnerability doesn't fall at your bug bounty program but this is a bad design that should fix right now cause if an attacker get admin access he still can upload a malicious file in client server side. I saw that Logo & Log in image allow to upload other files type...

SaveExploits0
Hacker One
Hacker One
added 2015/12/18 9:25 p.m.62 views

Shopify: "Remember me" token generated when "Remember me" box unchecked

Hi, This is a weird behaviour which regenerates secureadminsessionid cookie Steps to Reproduce : 1. Navigate to https://www.shopify.com/login 2. Enter credentials 3. Enter two factor code from authenticator Check cookie, There should be cookie named userauthtoken. I believe this token is...

7.2AI score
SaveExploits0
Hacker One
Hacker One
added 2015/11/27 2:56 a.m.62 views

ok.ru: Same-Origin Policy Bypass #2

Hi, This is really similar issue to my previous report 102234 - exploitation mechanism is really same but other swf file is vulnerable. All conditions are met: - st.mycdn.me domain which is in ok.ru crossdomain.xml - Security.allowDomain'' - possibility to execute own SWF code provided by URL...

SaveExploits0
Hacker One
Hacker One
added 2015/11/26 4:07 p.m.62 views

Zendesk: [CRITICAL] CSRF leading to account take over

Hi , I have found a CSRF issue in .zendesk.com/jobs/createjob that leads to full account take over. Details: When using bulk user import in https://.zendesk.com/import?kind=user after you upload a CSV file and press import , a request is sent to...

7AI score
SaveExploits0
Hacker One
Hacker One
added 2015/10/24 6:00 p.m.62 views

Udemy: Reflected XSS and/or malicious redirection via JWPlayer 6 configuration modification

1 Malicious attacker by visiting course page e.g. https://www.udemy.com/overview-of-big-data-hadoop/ and intercepting browser's generated requests can find one to the following URL:...

6.2AI score
SaveExploits0
Hacker One
Hacker One
added 2015/07/26 12:00 a.m.62 views

Internet Bug Bounty: Arbitrary code execution in str_ireplace function

https://bugs.php.net/bug.php?id=70140...

7.5CVSS8.2AI score0.03861EPSS
SaveExploits1
Hacker One
Hacker One
added 2015/06/04 5:29 a.m.62 views

Coinbase: OAuth authorization page vulnerable to clickjacking

Due to a misconfiguration, the 'authorize' button on the OAuth authorization page was vulnerable to clickjacking. The bug was fixed by ensuring our OAuth-related responses included the same security headers including X-Frame-Options as the rest of the site...

6.8AI score
SaveExploits0
Hacker One
Hacker One
added 2015/05/10 7:15 a.m.62 views

HackerOne: Content Spoofing - External Link Warning Page

Here is example link: Click Here Raw Data: Click Here Issue: In External link warning page, this link shown as plain text and no forced URL encoded, leading an attacker to frame sentences and trick users. In given example, attacker can trick user to click 'Proceed' button saying it will redirect...

0.1AI score
SaveExploits0
Hacker One
Hacker One
added 2015/03/29 12:00 a.m.62 views

Internet Bug Bounty: Buffer Over-read in unserialize when parsing Phar

https://bugs.php.net/bug.php?id=69324 ext/phar/phar.c in PHP before 5.4.40, 5.5.x before 5.5.24, and 5.6.x before 5.6.8 allows remote attackers to obtain sensitive information from process memory or cause a denial of service buffer over-read and application crash via a crafted length value in...

5.8CVSS7.1AI score0.10879EPSS
SaveExploits1
Hacker One
Hacker One
added 2014/10/15 7:18 a.m.62 views

Internet Bug Bounty: Adobe Flash Player Out-of-Bound Read/Write Vulnerability

I. Summary Adobe Flash Player is prone to a vulnerability which leads to Out-of-Bound access of memory. During the compilation of a malformed regular expression, relevant operations would cause Out-of-Bound Read/Write of stack and heap memory. Successful exploits may allow an attacker to gain...

10CVSS7.2AI score0.06192EPSS
SaveExploits0
Hacker One
Hacker One
added 2014/10/08 2:03 a.m.62 views

Internet Bug Bounty: Adobe Flash Player MP4 Use-After-Free Vulnerability

I. Summary Adobe Flash Player is prone to a vulnerability which leads to Use-After-Free. After parsing a malformed mp4 file, Flash will keep on accessing a block of memory for timing. Such memory block is still accessed even the page containing Flash is closed, which leads to a memory crash...

10CVSS8.3AI score0.09321EPSS
SaveExploits0
Hacker One
Hacker One
added 2014/04/25 2:14 p.m.62 views

Localize: Full Path Disclosure (FPD) in www.localize.im

Hi, found another information disclosure vulnerability/Full Path Disclosure on your application. Proof of Concept ------------------------- GET : https://www.localize.im/projects/projiect ID/languages/Language ID POST CONTENT:...

6.5AI score
SaveExploits0
Hacker One
Hacker One
added 2014/02/28 2:53 p.m.62 views

HackerOne: Hackerone Email Addresses Enumeration

Enumeration of email addresses of already registered users is possible, and or, checking if a user with specific email address is registered in the website and will then be used for phising attacks or any malicious intent. In the "Forgot Password" section, there is an implemented security measure...

0.5AI score
SaveExploits0
Hacker One
Hacker One
added 2013/11/07 7:12 p.m.62 views

HackerOne: RTL override symbol not stripped from file names

Any U+202E RIGHT-TO-LEFT OVERRIDE and similar symbols in file names of uploaded files are not stripped from the file name, causing potentially malicious executables to look like harmless images, for example. This might trick HackerOne panel members into accidentally opening evil h4x0r filez. I’ve...

6.9AI score
SaveExploits0
Hacker One
Hacker One
added 2026/06/04 6:03 a.m.61 views

curl: OpenSSL TLS 1.2 session resumption accepts expired server certificates in libcurl

Summary curl's OpenSSL backend can accept a new TLS 1.2 HTTPS connection after the server certificate has expired if the connection resumes a previously cached TLS session. A full handshake made at the same time with the same certificate fails with CURLEPEERFAILEDVERIFICATION, but the resumed...

5.6AI score
SaveExploits0
Hacker One
Hacker One
added 2026/03/26 10:49 a.m.61 views

Shopify: admin.shopify.com: Shopify Flow continues sending internal emails to a configured recipient after the staff author is removed

Summary: A staff user removed from a Shopify store continues to receive customer Personally Identifiable Information PII via a previously created automation workflow. The workflow, configured using Shopify Flow, continues executing after the user's access has been revoked and sends sensitive...

5.9AI score
SaveExploits0
Hacker One
Hacker One
added 2026/03/25 7:27 p.m.61 views

curl: Security Vulnerability Report: Protocol Injection via Programmatic Options

Summary Multiple text-based protocol handlers in libcurl including FTP, SMTP, POP3, and IMAP are vulnerable to protocol command injection. This occurs when an application sets credentials or other protocol-specific options programmatically e.g., via CURLOPTUSERNAME, CURLOPTPASSWORD, or...

6AI score
SaveExploits0
Hacker One
Hacker One
added 2025/09/02 7:07 p.m.61 views

curl: Heap-buffer-overflow (Out-of-Bounds Read) in DoH hostname encoding

Summary: I found a heap-buffer-overflow in the dohreqencode function in lib/doh.c. The bug happens when curl processes a DNS-over-HTTPS request for a hostname that is an empty string. The code gets the string length as 0, then tries to access hostlen - 1, which becomes host-1. This is an...

7.7AI score
SaveExploits0
Hacker One
Hacker One
added 2024/05/24 1:42 p.m.61 views

U.S. Dept Of Defense: CVE-2023-26347 in https://████.mil/hax/..CFIDE/adminapi/administrator.cfc?method=getBuildNumber&_cfclient=true

CVE-2023-26347 was discovered in Adobe ColdFusion versions 2023.5 and earlier and 2021.11 and earlier. The vulnerability was an Improper Access Control issue that could result in a Security feature bypass. Unauthenticated access was possible to the administration CFM and CFC endpoints...

7.5CVSS7.3AI score0.10072EPSS
SaveExploits0
Hacker One
Hacker One
added 2024/04/03 9:32 p.m.61 views

Internet Bug Bounty: [CVE-2024-25126] Denial of Service Vulnerability in Rack Content-Type Parsing

A denial of service vulnerability was discovered in the content type parsing component of Rack. The vulnerability was assigned the CVE identifier CVE-2024-25126. The vulnerability affected versions 0.4 and above of Rack, and was addressed in versions 3.0.9.1 and 2.2.8.1...

5.3CVSS5.6AI score0.35376EPSS
SaveExploits1
Hacker One
Hacker One
added 2023/12/11 3:45 a.m.61 views

Internet Bug Bounty: Possibility of Request smuggling attack

A vulnerability in Apache Tomcat allowed request smuggling due to incorrect parsing of HTTP trailer headers. A specially crafted trailer header exceeding the size limit could cause Tomcat to treat a single request as multiple requests, enabling request smuggling attacks when behind a reverse prox...

6.9AI score
SaveExploits0
Hacker One
Hacker One
added 2023/11/10 8:55 p.m.61 views

Nextcloud: RCE on Wordpress website

A remote code execution vulnerability was exploited on a WordPress website due to unsafe deserialization of user input. This allowed arbitrary code execution as the web server user...

8.3AI score
SaveExploits0
Hacker One
Hacker One
added 2023/08/28 3:03 p.m.61 views

U.S. Dept Of Defense: [█████████] Information disclosure due unauthenticated access to APIs and system browser functions

Multiple information exposure vulnerabilities were discovered in a Jira Server instance, allowing unauthenticated access to APIs and system browser functions. These vulnerabilities could be exploited by an attacker to gain unauthorized access to sensitive data and run arbitrary code on the server...

5.3CVSS6AI score0.76042EPSS
SaveExploits1
Hacker One
Hacker One
added 2023/08/08 12:05 p.m.62 views

HackerOne: HackerOne SAML signup domain enforcement bypass results in unauthorized access to HackerOne PullRequest organization

A vulnerability was discovered where SAML signup domain enforcement for new signups belonging to SAML-enabled organizations could be bypassed by appending control characters, allowing unauthorized access. This was leveraged to access the HackerOne PullRequest organization and view source code in...

7.1AI score
SaveExploits0
Hacker One
Hacker One
added 2023/07/12 7:28 p.m.61 views

Nextcloud: New AppPassword can be generated without password confirmation

A security vulnerability allowed an attacker to generate a new AppPassword without requiring password confirmation, potentially granting unauthorized access to Nextcloud accounts...

8.1CVSS7.8AI score0.00271EPSS
SaveExploits0
Hacker One
Hacker One
added 2023/07/01 3:41 a.m.61 views

U.S. Dept Of Defense: CVE-2023-24488 xss on https://██████/

Vulnerability description not provided...

6.1CVSS6.2AI score0.80907EPSS
SaveExploits3
Hacker One
Hacker One
added 2023/03/31 5:11 p.m.61 views

GitHub Security Lab: [Ruby]: Server Side Template Injection

Vulnerability description not provided...

7.1AI score
SaveExploits0
Hacker One
Hacker One
added 2022/10/25 8:59 a.m.61 views

Consensys: CSV Injection at https://assets-paris-demo.codefi.network/

Summary: Hi consensys Security Team. I have found CSV Injection when generate report at https://assets-paris-demo.codefi.network/ CSV Injection, also known as Formula Injection, occurs when websites embed untrusted input inside CSV files. When a spreadsheet program such as Microsoft Excel or...

9.3CVSS6.6AI score0.14533EPSS
SaveExploits0
Hacker One
Hacker One
added 2022/09/02 8:43 p.m.61 views

U.S. Dept Of Defense: IDOR leaking PII data via VendorId parameter

Description: Dear DoD, I found one bug on your domain from Hack US program: █████ It's IDOR bug. Make sure to know that I didn't test many funcs here for IDOR. I didn't test for ATO Account Takeover. But you should fix this. Here's the PoC: ██████████ Thank you DoD! Impact An attacker could steal...

6.7AI score
SaveExploits0
Hacker One
Hacker One
added 2022/08/29 8:28 a.m.61 views

TikTok: XSS at TikTok Ads Endpoint

Vulnerability description not provided...

7.1AI score
SaveExploits0
Hacker One
Hacker One
added 2022/05/13 7:53 p.m.61 views

curl: CVE-2022-32205: Set-Cookie denial of service

Summary: Curl fails to limit the number of cookies that can be set by a single host/domain. It can easily lead to a situation where constructing the request towards a host will end up consuming more than DYNHTTPREQUEST memory, leading to instant CURLEOUTOFMEMORY. Any host in a given domain can...

4.3CVSS6.8AI score0.27081EPSS
SaveExploits1
Hacker One
Hacker One
added 2022/04/14 3:58 a.m.61 views

Uber: Full read SSRF in flyte-poc-us-east4.uberinternal.com

Uber summary TBD. @shubs and I discovered an instance of Flyte Console on uberinternal.com. After auditing the open source code, we noticed an unauthenticated route for a “CORS proxy”. This was a classic server-side request forgery issue, allowing us to pass an arbitrary request to be performed b...

5CVSS0.7AI score0.10479EPSS
SaveExploits0
Hacker One
Hacker One
added 2022/03/16 11:37 p.m.61 views

EXNESS: CRLF Injection - Http Response Splitting

HTTP response splitting allowed to add a malicious header to the response...

SaveExploits0
Hacker One
Hacker One
added 2021/12/21 4:15 p.m.61 views

TikTok: Cross site scripting via file upload in subdomain ads.tiktok.com

A file upload XSS cross-site scripting vulnerability was found in TikTok ads ticketing platform. Due to missing checks it was possible to upload .svg files which contained XSS payload. We thank @blubluuu for reporting this to our team and confirming its resolution...

0.8AI score
SaveExploits0
Total number of security vulnerabilities5000