Imgur: XSS via React element spoofing

Hello, I noticed an XSS on imgur. Proof of concept: visit the URL http://imgur.com/vidgif/ticket/aaaaaaaa?errorpropsdangerouslySetInnerHTMLhtml=%3Cimg%20src=a%20onerror=%22alert%27XSS%20on%20%27%2bdocument.domain%22%3E&errorisReactElement=true&errortype=body It's not the simplest case as it...

Pornhub: Multiple endpoints are vulnerable to XML External Entity injection (XXE)

The researcher discovered multiple endpoints which were vulnerable to XML External Entity injection. The researcher was successful in initiating arbitrary requests from a production server...

Mail.ru: OpenSSL HeartBleed (CVE-2014-0160)

Уязвимость существует на portal.sf.mail.ru Эта уязвимость позволяет читать оперативную память кусками размером до 64КБ. Причем уязвимость двусторонняя, это значит, что не только вы можете читать данные с уязвимого сервера, но и сервер злоумышленника может получить часть вашей оперативной памяти к...

HackerOne: View Titles of Private Reports with pending email invitation

A vulnerability was discovered where anonymous users could view the titles of private reports with pending email invitations for collaboration. This was possible by sending a GraphQL request or running JavaScript code while logged out. It only worked for anonymous users when the collaboration...

MTN Group: Wordpress users Disclosure [ /wp-json/wp/v2/users/ ] Not Resolved ()

On this report's 735586 You closed the report and changed the status to Resolved. But it's Not Resolved The Bug It's Still there url: https://www.mtn.com/wp-json/wp/v2/users/ Sorry to say this still i can reproduce this issue please remove /wp-json/wp/v2/users/ file if your domain dont use that...

Internet Bug Bounty: Leak of sensitive values to Airflow rendered template

I’m just getting started with Airflow, but seem to have got into a situation where sensitive values e.g. connection passwords end up in my task’s rendered template. Here’s how my DAG starts, having set up a connection called “secret” with a password specified: t1 = BashOperator...

Nextcloud: Mail app - blind SSRF via smtpHost parameter

A blind SSRF vulnerability was discovered in the Nextcloud Mail application, allowing an attacker to retrieve services running locally on the server and scan the internal network for information. The vulnerability was found in the smtpHost parameter and could be exploited by any user with the mai...

Reddit: sensitive data exposure

Summary: A Password hash entry was found in /etc/passwd. This is a major vulnerability since /etc/passwd is a world-readable file by default. Once the password hash is found, an attacker may extract the password using a program like crack. Impact: it is high impact vulnerability .once hacker foun...

Glassdoor: [CRITICAL] Full account takeover without user interaction on sign with Apple flow

An account takeover was detected with our sign-up with Apple flow where an email parameter was manipulated in the request flow to our servers. This scenario can only be performed on a previously unlinked apple ID account with Glassdoor. Changing the email in the request flow allowed the researche...

Brave Software: Information disclosure

Vulnerability tested on:- Brave 1.29.81 Chromium: 93.0.4577.82 Official Build 64-bit Vulnerability description:- For security measures and for privacy purposes, Brave has the ability to open a normal tab of the Brave when we navigate to: chrome://wallet, chrome://history etc. due to the reason th...

Courier: Possible to invite any team member without being logged in. [ Session Management Issue ]

Hi, I would like to report session management issue to you, while testing i found that we can easily invite or we can easily perform invite related action, even we logged out from the the account. This mean the session are not properly managed. I didn't checked the other functionality under sessi...

U.S. Dept Of Defense: [CVE-2021-29156] LDAP Injection at https://██████

Description: https://█████ is vulnerable to CVE-2021-29156 References https://hackerone.com/reports/1278050 https://nvd.nist.gov/vuln/detail/CVE-2021-29156 https://portswigger.net/research/hidden-oauth-attack-vectors...

U.S. Dept Of Defense: Pre-auth RCE in ForgeRock OpenAM (CVE-2021-35464)

A vulnerability in ForgeRock OpenAM allowed unauthenticated remote code execution due to unsafe Java deserialization in the Jato framework. The vulnerability, tracked as CVE-2021-35464, could be exploited by sending a crafted request to the /openam/ccversion/Version endpoint with a malicious...

GitHub Security Lab: [JavaScript]: CWE-1004: Sensitive cookie without HttpOnly

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

MCUboot: DMARC and DNS Records not found on mcuboot.com

Found no DMARC and DNS record on mcuboot.com . I am also able to send an email to me on your behalf . The mail sent didnot even landed in spam folder which could make the users believe on the attacker as a legitimate person or authority. Any attacker could do so by using any fake mailer .For exmp...

GitHub Security Lab: [Java] CWE-094: Query to detect Groovy Code Injections

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

h1-ctf: [hackyholidays] CTF write-up

hi, this is my write-up for hackyholidays CTF. I attached the write-up in PDF format. thanks, REND Impact saving the Christmas... fix this otherwise people would be happy...

VK.com: Обход приватности у фотографий/документов

Просмотр некоторых фотографий и документов через вики-страницы. Интересный баг в wiki-страницах позволял достать почти любую приватную фотографию и любой приватный документ...

Logitech: One Click Account takeover using Ouath CSRF bypass by adding Null byte %00 in state parameter on www.streamlabs.com

Summary Hello Team I have found a bypass to the this report. 1039749 Steps To Reproduce: 1. Login to attacker's account and go to settings -- account settings. 2. Intercept the request in burp suite and click on merge twitch account. 3. Allow twitch access and once you see a get request in burp...

Showmax: WordPress admin is accessible without HTTP authentication

The wordpress instance stories.showmax.com is a complementary system of the Showmax platform. We enforce 2FA for all user accounts that have access to the administration and that's why we decided not to require Basic Auth and/or IP whitelisting for it...

Acronis: Clickjacking on cas.acronis.com login page

Steps To Reproduce: Create a new HTML file Source code: I Frame Clickjacking Vulnerability Save the file as whatever.html Open document in browser Reference: https://hackerone.com/reports/591432 FIX- The vulnerability can be fixed by adding "frame-ancestors 'self';" to the CSP...

Internet Bug Bounty: Uncovering file quarantine and UX security issues in macOS apps ( .terminal, .fileloc and .url)

Slides : https://docs.google.com/presentation/d/19WeQbqcOKnrSv1I3Z4sm-oNAf6IVzHwRyQP4i9BvY/editslide=id.g758ad3e04223231 See Blogpost for more details - https://medium.com/@metnew/exploiting-popular-macos-apps-with-a-single-terminal-file-f6c2efdfedaa Summary Popular macOS apps with a file-sharing...

Topcoder: CSRF on https://apps.topcoder.com/wiki/users/editmyprofile.action

Summary: Hi : There is a CSRF on changing user details. Steps To Reproduce: There is no CSRF token or anything like that on https://apps.topcoder.com/wiki/users/editmyprofile.action . I added the poc html file below. When someone opens this html file, or we can add it into our website, victim's...

BTFS: XSS on remote.bittorrent.com

Hi security team, ı found xss on your subdomain. this is includes callback function. url : https://remote.bittorrent.com/talon/logout?message= Impact fix them...

Kubernetes: IPv4 only clusters susceptible to MitM attacks via IPv6 rogue router advertisements

This bug report mostly concerns the default CNI plugins https://github.com/containernetworking/plugins but I believe affects many K8S clusters. Because the CNI team still doesn’t provide an explicit way to report security bugs, I hope the K8S security team doesn’t mind doing the coordination job...

Localize: The password limit is not set, [DoS].

Summary: You can create a very long password until you get the last user to put and aries or DoS. Normally passwords have 8-10-24 digits Impact DoS...

Semmle: Worker container escape lead to arbitrary file reading in host machine

Summary: Because lack of security, attacker will be able to remove original log file and replace it will a symlink to other file, After finishing job, host machine copy file from docker container. Because the original log file has been removed, the host machine will copy the symlink file. But the...

Node.js: Hostname spoofing

Summary: I found that url.parse is vulnerable to hostsplit that causes hostname spoofing. Description: Steps To Reproduce: url.parse'http://evil.c℀.victim.test/?' returns evil.ca/c.victim.test as hostname, so this hostname matches .victim.test but will access evil.ca. Welcome to Node.js v12.9.0...

TomTom: Exposed Git Repo at http://betaforum.tomtom.com/.git/{subfolders}

Dear Security team, I found a git repository on http://betaforum.tomtom.com/.git. This endpoint allows an attacker to retrieve much of the source code and git history for this service which could potentially reveal sensitive information, it all depends what is stored there. Example: 1...

Imgur: Stored XSS on imgur profile

Hello, I submitted a report on imgur, but the staff marked it as duplicate. 482841 I reviewed the report of the first submitted report. 381553 We are on the same situation and his case is already fixed because I tried visiting his site too which is https://12test.imgur.com/ and even redoing his...

Mail.ru: PHP-FPM Status Page

PHP-FPM status page was available at guild.live.ro.gmru.net...

Mail.ru: source code leak

A fragment of source code was available for download on flash.terrhq.ru...

Chaturbate: [chaturbate.com] - CSRF Vulnerability on image upload

Summary Hi guys, One of the features available to a Chaturbate user is the ability to upload images into photo sets. The upload functionality does not use any CSRF tokens, allowing attackers to perform CSRF attacks and upload images to a user's profile without the user's consent. Steps To...

Node.js third-party modules: `atob` allocates uninitialized Buffers when number is passed in input on Node.js 4.x and below

I would like to report an uninitialized Buffer allocation issue in atob. It allows to extract sensitive data from uninitialized memory or to cause a DoS by passing in a large number, in setups where typed user input can be passed e.g. from JSON, on Node.js 4.x and lower. Module module name: atob...

Shopify: myshopify.com domain takeover

Hello Shopify Security Team, I just received your email and I'm sorry for any inconvenience. Yes, it was me. Basically, I just tried to audit your website using some black box testing. Unfortunately, I didn't read about those guidelines, such as creating a store on https://partners.shopify.com/ a...

Node.js third-party modules: Prototype pollution attack (Hoek)

As discussed in 309391, here's the separate report for each of the library. This one is the information for the Hoek library. Module: hoek Summary: Utilities function in all the listed modules can be tricked into modify the prototype of "Object" when the attacker control part of the structure...

Internet Bug Bounty: Potential infinite loop in gdImageCreateFromGifCtx!

Description ----- It is easy to trigger in web application if the web use GD as its image library. For example, It can be triggered if a website resize the user-uploaded GIF, and ALL PHP version are affected! Original bug report ----- - https://bugs.php.net/bug.php?id=75571 Note ----- -...

WordPress: Information / sensitive data disclosure on some endpoints

Hello team! While doing a preliminary recon on .wordpress.org I've come across a few sensitive files that should not be facing the public web; I'll leave you a list organized by criticality and some proof. High priority .travis.yml configuration file with credentials php maintenance/install.php...

Shopify: ShopifyAPI is vulnerable to timing attacks.

Dear Shopify bug bounty team, The Python ShopifyAPI library is vulnerable to timing attacks, because the validatehmac falls back to a non-constant time comparison when hmac.comparedigest is not available. I am perfectly aware that this issue is out of scope, but your Shopify Guru Jack P. kindly...

Uber: Authentication bypass on auth.uber.com via subdomain takeover of saostatic.uber.com

Summary This is not a standard vulnerability, but a chain of two more exotic vulnerabilities leading to a full authentication bypass of your SSO login system at auth.uber.com via saostatic.uber.com. The root cause of this authentication bypass is two-fold: 1. Subdomain saostatic.uber.com was...

Nextcloud: Calendar and addressbook names disclosed (NC-SA-2017-012)

Calendar and addressbook names disclosed NC-SA-2017-012 Risk level: Low CVSS v3 Base Score: 3.5 AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N CWE: Information Exposure Through Directory Listing CWE-548 Description A logical error caused disclosure of calendar and addressbook names to other logged-in users...

Unikrn: Urgent: Server side template injection via Smarty template allows for RCE

Hi All, I've found an issue which has allowed me to execute filegetcontents and extract your /etc/passwd file. Description It appears as though you are using smarty on the backend for templating. Entering a malicious payload as my firstname, lastname and nickname and then inviting a user to join...

Internet Bug Bounty: Flash double free vulnerability leads to code execution

This bug was reported directly to Adobe and got assigned CVE-2014-0502. http://helpx.adobe.com/security/products/flash-player/apsb14-07.html This one was actively and it still is exploited since February 12th in watering hole campaigns against nonprofit research institutions and human right...

8x8: connect.8x8.com/api/v1: JWT Algorithm Confusion Vulnerability

A JWT algorithm confusion vulnerability was reported in the v1 API of connect.8x8.com. The JWT verifier did not enforce algorithm pinning and would accept HS256 tokens signed with the RSA public key used as an HMAC secret. The issue was remediated by enforcing RS256 algorithm pinning in the v1 AP...

PortSwigger Web Security: CSP Bypass and escalation of https://hackerone.com/reports/2279346

Vulnerability description not provided...

Internet Bug Bounty: Request Smuggling in Apache Tomcat (Important, CVE-2023-45648)

A vulnerability in Apache Tomcat versions 11.0.0-M1 to 11.0.0-M11, 10.1.0-M1 to 10.1.13, 9.0.0-M1 to 9.0.80, and 8.5.0 to 8.5.93 allowed HTTP request smuggling due to improper parsing of trailer headers. This could be exploited by a remote attacker to bypass security controls when Tomcat was...

Ruby: DoS in bigdecimal's sqrt function due to miscalculation of loop iterations

Vulnerability description not provided...

WakaTime: Waketime Payment Gateway Vulnerability

Vulnerability description not provided...

Internet Bug Bounty: [CVE-2023-27531] Possible Deserialization of Untrusted Data vulnerability in Kredis JSON

A deserialization vulnerability was discovered in the Kredis JSON deserialization code, allowing for the potential deserialization of untrusted data. This could result in unexpected objects being deserialized in the system. The vulnerability has been assigned the CVE identifier CVE-2023-27531...

Nextcloud: SSRF via potential filter bypass with too lax local domain checking

Summary: Hi. Reviewing the code for filtering for ssrf, in preventLocalAddress, we can see that it calls the function ThrowIfLocalAddress. It has three common checks, first, it checks if the string is localhost, or if it ends in .local or .localhost php // Disallow localhost and local network if...