Nextcloud: Extremly simple way to bypass Nextcloud-Client PIN/Fingerprint lock

I'm sorry for my bad English, I'm German How to reproduce this security bug. Step 1: Take a normal Android smartphone maybe it also works on iOS, but I have not tested it yet. Step 2: Install the official nextcloud-client. Step 3: Set up nextcloud: Open the nextcloud app, tap on "Skip", enter the...

X (Formerly Twitter): [dev.twitter.com] XSS and Open Redirect Protection Bypass

Description: Hi after I finish reading the report https://hackerone.com/reports/260744.i start to test this subdomain.i fount an interesting url https://dev.twitter.com/web/sign-inhttps://dev.twitter.com/basics/adding-international-support-to-your-apps.this url is special,my intuition tells me th...

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

SUMMARY: ==================== This report describes a vulnerability similar to that described in my other reports 329376, 329397, 329399 The DoD https://████/psc/EXPROD/ Web System uses the Oracle PeopleSoft platform which is vulnerable to Remote Code Execution RCE and Denial of Service Attacks D...

Internet Bug Bounty: Mercurial can be tricked into granting authorized users access to the Python debugger

I reported this bug privately to Mercurial and they produced an out of band release to fix the bug here: https://www.mercurial-scm.org/wiki/WhatsNewMercurial4.1.3.282017-4-18.29 I produced a very detailed proof of concept with a Metasploit exploit module, which can be seen publicly here:...

LocalTapiola: SQL Injection /webApp/sijoitustalous_peruutus locId parameter (viestinta.lahitapiola.fi)

Vulnerable script: /webApp/sijoitustalousperuutus Vulnerable parameter: locId Database: PostgreSQL PoC 1. TRUE, substrversion,1,10='PostgreSQL', Result: Ilmoittaumisesi on peruttu...

X (Formerly Twitter): SSRF in https://cards-dev.twitter.com/validator

Hello, After my previous report 2 years ago https://hackerone.com/reports/30860 you fixed the vulnerability, but now it looks like this fix was reverted and the same problem exists again. Test scenario: Open https://cards-dev.twitter.com/validator 1. Closed port on localhost http://0.0.0.0:123 -...

Uber: DOM based XSS on

Possible Remote code execution DOM based XSS Vuln Jquery param : var strliID=jQuerylocation.attr'hash'; Target: Logged admin Go url https://drive.uber.com/melbourne/wp-admin/admin.php?page=Optionsgallerystyles" Solution : Upgrade latest version gallery plugin Your version v1.9.55 Test my localhos...

Internet Bug Bounty: Integer overflow in ftp_genlist() resulting in heap overflow

https://bugs.php.net/bug.php?id=69545 Description: ------------ The ftpgenlist function of the ftp extension is prone to an integer overflow, which may result in remote code execution. ext/ftp/ftp.c:ftpgenlist... 1826 size = 0; 1827 lines = 0; 1828 lastch = 0; 1829 while rcvd = myrecvftp, data-fd...

curl: TLS conn reuse and session cache ignore fsslctx callback and ssl_config_data flags ( incomplete fix variant of 7541ae569 )

Summary matchsslprimaryconfig in lib/vtls/vtls.c:194 and the session-cache key built by cfsslpeerkeybuild in lib/vtls/vtlsscache.c:240 both compare only struct sslprimaryconfig fields when deciding whether to reuse a TLS connection or cached session. Several fields that materially change the TLS...

Automattic: Stored XSS on wordpress.com

A Stored XSS vulnerability was found on WordPress.com via app.crowdsignal.com. An attacker could use this vulnerability to execute malicious script code in the victim user's browser and redirect them to malicious sites...

GitLab: New /add_contacts /remove_contacts quick commands susseptible to XSS from Customer Contact firstname/lastname fields

Summary In Gitlab 15.0.0 a new Customer Relations feature was added that allows us to use quick actions to find the contact we wish to select. However, I noticed that if I set the contact's first name or last name to alertdocument.domain we can get the XSS to trigger when we are attempting to use...

Internet Bug Bounty: CVE-2022-27779: cookie for trailing dot TLD

Published Advisory: https://curl.se/docs/CVE-2022-27779.html Original Report: https://hackerone.com/reports/1553301 Impact This can allow arbitrary sites to set cookies that then would get sent to a different and unrelated site or domain. ie. conduct session fixation attacks...

Internet Bug Bounty: CVE-2022-24288: Apache Airflow: TWO RCEs in example DAGs

In Apache Airflow, prior to version 2.2.4, In DAG script of airflow , there is two command injection vulnerability RCE in the some scripts, which an attacker can execute arbitrary commands on the system. The impact is even greater when airflow is configured for unauthenticated access. These two...

Internet Bug Bounty: The Host Authorization middleware in Action Pack is vulnerable to crafted X-Forwarded-Host values

Title: The Host Authorization middleware in Action Pack is vulnerable to crafted X-Forwarded-Host values Scope: https://github.com/rails/rails Weakness: Open Redirect Severity: Medium Link: https://hackerone.com/reports/1189310 Date: 2021-05-09 06:29:19 +0000 By: @mshtawy CVE IDs: CVE-2021-22942,...

U.S. Dept Of Defense: [CVE-2021-29156 on ForgeRock OpenAm] LDAP Injection in Webfinger Protocol!

Description: https://████████ is vulnerable to CVE-2021-29156. References https://nvd.nist.gov/vuln/detail/CVE-2021-29156 https://portswigger.net/research/hidden-oauth-attack-vectors...

Shopify: Improper Input Validation on https://oberlo-image-proxy.shopifycloud.com/

The service under https://oberlo-image-proxy.shopifycloud.com/ seems to work like a image proxy through the url GET parameter and it suppose to handle only images. █████████ When other content type than an image is present the service returns a 404 error to the user. curl -si...

Uber: CVE-2020-3452 - unauthenticated file read on anyconnect.routematch.com

The CISCO ASA instance at anyconnect.routematch.com was vulnerable to CVE-2020-3452, allowing an unauthenticated attacker to retrieve arbitrary files on the local filesystem...

Rockset: Leaking Rockset API key on Github

Summary: We all know that Github is great, but it runs the risk of some credentials being revealed by mistake. In this case I found a Rockset API key, This API key is not in the current code, but it is visible in an old commit. Steps To Reproduce: You can find the leak in this link :...

Automattic: SQL Injection Union Based

Summary: Hello, I have found a SQL Injection Union Based on https://intensedebate.com/commenthistory/$YourSiteId The $YourSiteId into the url is vulnerable to SQL Injection. Steps to reproduce 1. Logging into https://intensedebate.com 2. After create your own site on...

Bitwarden: Rate limits too low for email 2FA

NO RATE LIMIT ON 2FA CAN LEAD TO ACCOUNT COMPROMISE! 1. Create account on vault.bitwarden.com if you don't have. 2.Setup 2FA via email 3.Logout and log in again. This time along with password you have to fill the 2fa code which is sent to the email. 4.Type Any Random number, intercept request wit...

GitHub Security Lab: [CATENACYBER]: [CPP] CWE-476 Null Pointer Dereference : Another query to either missing or redundant NULL check

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

Phabricator: Edit Policy restriction does not prevent comments.

Change the edit policy of a Maniphest Task - Attempt to comment on the the task with a user who doesn't have access Impact Given a few users I spoke to believe restricting the edit policy blocks comments, This allows an underpriveleged user to gain access to carry out a restrcited action. Mongoos...

h1-ctf: [H1-2006 2020] Exploiting multiple vulnerabilities to get hacker's payment ensured

Last week, Hackerone’s CEO Marten lost his credentials for BountyPay. A tweet from hackerone’s official twitter account asked for help from ethical hackers and bounty hunters to help the CEO recover his credentials and insure May’s payments. As an active bug hunter on Hackerone, I decided to take...

Stripo Inc: Unrestricted File Upload on https://my.stripo.email and https://stripo.email

Hi Stripo Inc, I found 2 Unrestricted File Upload Vulnerabilities on your website. First Vulnerability: Step to Reproduce 1. Create an account in "https://my.stripo.email" 2. Simply Download a php shell from internet and open with text editor. ex: r57 shell 3. Then save it as JPEG file. 4. Go bac...

Nextcloud: Denial of Service by requesting to reset a password

Description: I believe that this is posible due to the brute force protection that makes all request last for 30 seconds which in this case is using all the PHP workers avalible in the pool, so the only way to defend yourself is setting up a limit or having a lot of resources. How to reproduce: I...

Nord Security: Cross Origin Resource Sharing Misconfiguration | Lead to sensitive information

Summary: Cross Origin Resource Sharing Misconfiguration | Lead to sensitive information. Description: An HTML5 cross-origin resource sharing CORS policy controls whether and how content running on other domains can perform two-way interaction with the domain that publishes the policy. The policy ...

Nord Security: Expired Available Domains in nordvpn.com website code

We at NordVPN want to stress that these domains were removed not because they were a threat, but because they simply were of no use. Also, new domains were added because this is a part of our operational tasks. These changes are made every few months. THANKS @nordvpn @emanu Well I have been Doing...

Kubernetes: Man in the middle using LoadBalancer or ExternalIPs services

I rated this vulnerability as high because trying to rate it with CVSS v3.0 Calculator gives me 9.9 which seems way too high as you do require to be able to create services in the K8S cluster. Summary: This report details 2 ways to man in the middle traffic by: a creating a LoadBalancer service a...

WordPress: Stored XSS on Wordpress 5.3 via Title Post

I have identified a WordPress security vulnerability , a Stored XSS vulnerability that affects latest version of WordPress 5.3 POC: 1 Login to wordpress website 2 Make a post with title payload xss like example alertdocument.domain; 3 Publish then open the post, XSS Will trigger Impact Can steali...

GitLab: SSRF vulnerability in gitlab.com webhook

1、 Login to your GitLab account and create a new project, then go to--https://gitlab.com/username/project/settings/integrations 2、 You can add url to ssrf.following are the steps to reproduce: If you enter http://127.0.0.1:80/haha.txt as url,we will get --Hook executed successfully but returned...

Pornhub: Wordpress Content injection

The researcher discovered a vulnerability in an outdated version of Wordpress allowing them to edit and make new posts...

Nextcloud: Content (Text) Injection at NextCloud Server 9.0.52 - via http://custom_nextcloud_url/remote.php/dav/files/

Dear Next Cloud Security Team, I would like to report an issue. This is not a critical issue since the affect and not even "touch" something sensitive that stored at the server via the application. As a summary, this is issue need the user interaction for exploiting the "target". So, based on thi...

Bumble: Password modification without knowing actual password & httpOnly bypass

Two issues: Session cookie is returned in HTML source code of /encounters page, which would allow an XSS attacker to steal it, even if httpOnly is activated. A secret value, present in HTML source code of some api.phtml pages, can be used to modify user's password without knowing actual one...

HackerOne: Session Hijacking attack (Different Scenario)

Hey I was able to replay a cookie of a current active session and hijack that by replaying the cookie. Now this is different from any conventional vanilla session hijacking because it works even when the user is not logged in. But the condition is that the victim's session must be active at the...

Internet Bug Bounty: Adobe Flash Player FileReference Use-after-Free Vulnerability

Adobe Flash Player FileReference Use-after-Free Vulnerability ------------------------------------------------------------------ I. Summary Adobe Flash Player is prone to a vulnerability which leads to Use-after-Free. The FileReference Object which is used to access local files, when wrapped insi...

Bykea: IDOR on in-app hardcoded zombie endpoint

The researcher discovered an Insecure Direct Object Reference IDOR vulnerability in a hardcoded legacy zombie endpoint that was no longer actively used but remained accessible. By reverse engineering the Android app and reviewing the code for unused endpoints, the sensitive details related to...

Khan Academy: XSS on using the legacy "Graphie To Png" API

The legacy "Graphie To Png" API was vulnerable to exploitation. An attacker could upload malicious graphies that included harmful SVG and JSON data. The SVG contained an onload attribute that executed arbitrary JavaScript. The JSON data modified the content of labels, causing the graphie renderer...

TikTok: CRLF to XSS & Open Redirection

Due to inadequate input validation, a vulnerability allowed for the injection of CRLF HTTP Response Splitting into a parameter on a TikTok seller endpoint. This could have resulted in Reflective XSS Cross-Site Scripting and open redirection attacks. The vulnerability has been resolved...

Nextcloud: Insecure randomness for default password in file sharing when password policy app is disabled

The password generation function used for protecting shared links in Nextcloud was using an insecure random number generator, which could allow an attacker to access the shared files without knowledge of the password...

Mars: Jolokia Reflected XSS

Summary: salam Hi team i hope you are well , after doing some recon on mars.com i saw that the website use jolkia 1.3.5 it's vulnerable to reflected XSS Steps To Reproduce: 1. Vuln Link : https://couponsmanager-uat.b2b.mars.com/jolokia/read%3Csvg%20onload=alertdocument.cookie%3E?mimeType=text/htm...

Recorded Future: Storage of old passwords in plain text format

Summary: Server response from app.recordedfuture.com has old passwords for a logged in account in plain text format. Storage of passwords in any readable format or using weak hashes put the account or system at great risk. What's interesting is how RecordedFuture store multiple passwords not just...

Internet Bug Bounty: Ruby - Regular Expression Denial of Service Vulnerability of Date Parsing Methods

Official report: https://www.ruby-lang.org/en/news/2021/11/15/date-parsing-method-regexp-dos-cve-2021-41817/ CVE-2021-41817 Here are the details from the official article: Date’s parsing methods including Date.parse are using Regexps internally, some of which are vulnerable against regular...

HackerOne: Information disclosure - Feedback is accessible on Public profile even after 'disallowed' at https://hackerone.com/settings/feedback

Summary: Hi team, I noticed one possible information disclosure scenario related to My Feedback managed at https://hackerone.com/settings/feedback Description: In current scenario even after uncheck the option "Show this blurb on my profile" I can access the feedback using one one requestPOST...

GitHub Security Lab: [Java]: CWE-601 Spring url redirection detect

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

Revive Adserver: Reflected XSS on /admin/userlog-index.php

I found a reflected XSS attack on /admin/userlog-index.php. Revive-Adserver version is revive-adserver-5.1.0. - Go to...

Kartpay: Misconfiguration of Merchant id in jwt header + Weird Debug mode enabling behavior leads to exposed OTP of mobile number.

The Verification email Content was able to decrypt easily and leads to disclosure of information that was supposed to be provided after account verification is completed. Secondly, For a Limited time Production was put on debug mode but it was left with it. so now it has been fixed...

CS Money: Able to upload backgrounds before entering 2FA

Summary: Hi Team, I am able to see and use uploaded backgrounds and able to upload new ones without proper authentication of 2FA. I hope you remember this report 993786. Steps To Reproduce: 1. Login with a steam account and enable 2FA. 1. Now logout your account. Clear all the cookies. 1. Now aga...

ImpressCMS: Download full backup and Cross site scripting

A backup zip file was still left on the server, which was removed. Moreover, an old unused content editor was still left and could be used by a malicious user. The unused editor has been removed as well...

Stripo Inc: Non-revoked API Key Disclosure in a Disclosed API Key Disclosure Report on Stripo

Summary: Can you imagine discovering an API key disclosure vulnerability in a disclosed API key disclosure report? The same thing is what I came across while going through the disclosed reports at Stripo Inc. Plus, the disclosed API key isn't even revoked, and therefore I am still able to use the...

Stripo Inc: weak password poilicy in signup password leak to account takeover

Summary: add summary of the vulnerability i create account with weak password Steps To Reproduce: add details for how we can reproduce the issue 1.i create account with weak password qwerty123 2- account create done without validation 3- it should have protected users from attack and have policy...