Shopify: apps.shopify.com - CSRF token leakage through Google Analytics

Description: When a user tries to send a support a message to an app developer in apps.shopify.com , he will be asked to login and once he is logged in , he will be redirected to apps.shopify.com/appid?authenticitytoken=currentuserauthenticitytoken. Developers can track their app page view in...

Starbucks: Persistent XSS in www.starbucks.com

There is a persistent XSS in https://www.starbucks.com/coffee/espresso/latte-macchiato It is caused by loading scripts from: //starbucksmacchiato-prod.elasticbeanstalk.com/scripts/bn-v1.0.0-Release-min.js Note that starbucksmacchiato-prod.elasticbeanstalk.com is not registered on elastic beanstal...

Pushwoosh: Spoof Email with Hyperlink Injection via Invites functionality

Email Spoofing via hyperlink injection. Design Issue, Missing Best Practice, Low severity...

Internet Bug Bounty: Out of bound read in exif_process_IFD_in_MAKERNOTE

I have found some vulnerable code that lacks check size of buffer may lead to memory out of read or write. Take a look at : static int exifprocessIFDinMAKERNOTEimageinfotype ImageInfo, char valueptr, int valuelen, char offsetbase, sizet IFDlength, sizet displacement SNIP switch makernote-offsetmo...

VK.com: DOM XSS в /activation.php?act=activate_mobile

Поинтересовался тут функцией showOrderBox в API. Увидел там "Тестовое спецпредложение. Тестовое спецпредложение для разработчиков приложений." При щелчке по кнопке "перейти в группу" попал на страницу...

Internet Bug Bounty: CVE-2015-8874 Stack overflow with imagefilltoborder

Reported in 2014 https://bugs.php.net/bug.php?id=66387 A variation was rediscovered this year and reported to PHP and LIBGD: https://bugs.php.net/bug.php?id=72350 https://github.com/libgd/libgd/issues/215 Patches for both issues:...

VK.com: XSS в upload.php

Добрый вечер! Раскрутил интересную xss на upload.php. Демо тут или тут. Как все было? Увидел интересный экшн upload.php?act=transport, который служит для загрузки нарисованного граффити в документы. Глаз зацепился за вызов функции eval в строке 25. Обратите внимание на параметр callback, значение...

Internet Bug Bounty: Adobe Flash Player OpportunityGenerator class Memory Corruption Vulnerability

I. Summary Adobe Flash Player is prone to a vulnerability which leads to memory corruption because of improper validation of OpportunityGenerator.update. ------------------------------------------------------------------ II. Description Adobe Flash is a multimedia and software platform used for...

Zendesk: XSS In /zuora/ functionality

Hello there, I wanted to report a XSS vulnerability in the /zuora/ functionality on the zendesk application. Affected URL: -...

Veris: User enumeration via error message

Hi guys, Well, the issue is in authentication process, an attacker able to enumerate registered users on the site via brute forcing the login page, in case when user is not exist, system returns the following error message: "User not exist", in case when user exist, but incorrect password:...

New Relic: Potential Subdomain Takeover - http://storefront.newrelic.com/

Hi, The subdomain "storefront.newrelic.com" is currently pointing to Fastly, but is not registered to a service. Depending on whether Fastly permits it, a subdomain takeover similar to that of https://hackerone.com/reports/32825 could be possible. If the subdomain is not needed, it's recommended...

Shopify: Full access to Amazon S3 bucket containing AWS CloudTrail logs

An Amazon S3 bucket used internally by Shopify was misconfigured, allowing external users to read, write and list objects. The excess permissions have been removed...

Shopify: Bypass access restrictions from API

This issue allowed users with limited access to login into a Shopify Mobile application, capture their own access token, and perform queries against Shopify's API in order to create new users with full access, or delete other users. An additional issue was reported, where users with no access cou...

Mail.ru: Flash XSS on img.mail.ru

Vulnerable Flash File: http://img.mail.ru/r/video2/playerv2.swf Steps: + Open http://img.mail.ru/r/video2/playerv2.swf?metadataUrl=http://videoapi.my.mail.ru/videos//community/mir/groupvideo/921.json&redirectUrl=%22;alertdocument.domain;catche// + Click on social share and click on anything eg...

Airbnb: Vulnerability type xss uncovered in airbnb.es

The vulnerability is exploited doing an upload of the file Exploit attached in this conversation as profile photo...

X (Formerly Twitter): HTML form without CSRF protection at http://try.crashlytics.com/enterprise/

Vulnerability description:- This alert may be a false positive, manual confirmation is required. Cross-site request forgery, also known as a one-click attack or session riding and abbreviated as CSRF or XSRF, is a type of malicious exploit of a website whereby unauthorized commands are transmitte...

Slack: SSRF on https://whitehataudit.slack.com/account/photo

During post request to https://whitehataudit.slack.com/account/photo: POST /account/photo HTTP/1.1 Host: whitehataudit.slack.com User-Agent: Mozilla/5.0 Macintosh; Intel Mac OS X 10.9; rv:29.0 Gecko/20100101 Firefox/29.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8...

Sandbox Escape: Linux 3.4+: arbitrary write with CONFIG_X86_X32

asmlinkage long compatsysrecvmmsgint fd, struct compatmmsghdr user mmsg, unsigned int vlen, unsigned int flags, struct compattimespec user timeout int datagrams; struct timespec ktspec; if flags & MSGCMSGCOMPAT return -EINVAL; if COMPATUSE64BITTIME return sysrecvmmsgfd, struct mmsghdr user mmsg,...

Basecamp: Any installed app can force immediate logout and persistent DOS of authenticated Basecamp sessions via unprotected exported StartActivity

A vulnerability was discovered in the Basecamp Android app that allowed any installed app to force immediate logout and persistent denial-of-service of authenticated Basecamp sessions. The vulnerability was due to the com.basecamp.bc4.app.main.start.StartActivity being declared as exported withou...

curl: cookie: case-insensitive path comparison in replace_existing() allows cookie eviction across distinct paths

Hi all, replaceexisting in lib/cookie.c compares cookie paths case-insensitively at two sites. On case-sensitive servers, /Admin and /admin are distinct resources and are supposed to produce distinct jar entries. Because libcurl conflates them, a Set-Cookie at one path silently evicts the cookie ...

Shopify: Missing HMAC validation on /uninstall webhook in Shopify/sample-django-app reference template

Repository: https://github.com/Shopify/sample-django-app Description The /uninstall webhook endpoint in sample-django-app processes incoming requests without verifying the X-Shopify-Hmac-Sha256 header. Shopify explicitly requires this validation as a mandatory security measure for all webhook...

curl: Stack Buffer Overflow in cURL Cookie Parsing Leads to RCE

Summary I discovered a critical stack-based buffer overflow vulnerability in cURL's cookie parsing mechanism that can lead to remote code execution. The vulnerability occurs when processing maliciously crafted HTTP cookies, affecting all applications that use libcurl for HTTP requests. Descriptio...

Automattic: Open redirect via redirect_to parameter in tumblr.com

The Tumblr website was affected by an open redirect vulnerability that allowed an attacker to redirect users to a specified URL through the "redirectto" parameter. This vulnerability could have been exploited to conduct phishing attacks or distribute malware...

TikTok: Reflected XSS on Pangle Endpoint

The summary is as follows: A cross-site scripting XSS vulnerability was found at the Pangle endpoint via the 'redirect' parameter. This was caused by the reflection of user-supplied data without appropriate HTML escaping or output encoding. The vulnerability was fixed and additional mitigations...

Node.js: Denial of Service by resource exhaustion in fetch() brotli decoding

A denial of service vulnerability was identified in Node.js related to resource exhaustion when using the fetch function to retrieve content from an untrusted URL. The issue stems from fetch always decoding Brotli content, allowing an attacker controlling the URL to cause resource exhaustion...

GitHub: RC Between GitHub's Repo Transfer REST API and updateTeamsRepository GraphQL Mutation Results in Covert and Persistent Admin Access Retention

A race condition was discovered in GitHub Enterprise Server that allowed an administrator to retain access permissions on repositories after transfer. This was possible by manipulating repository permissions through a GraphQL mutation during the transfer process. The vulnerability affected GitHub...

Internet Bug Bounty: Integrity checks according to policies can be circumvented in Node.js 20 and Node.js 18

Integrity checks according to Node.js policies can be circumvented, allowing untrusted code to execute with elevated permissions. This affects Node.js 18.x and 20.x when using the experimental policy feature. The vulnerability was reported by Tobias Nießen, who also provided a patch that has been...

Internet Bug Bounty: (CVE-2023-32006) Permissions policies can impersonate other modules in using module.constructor.createRequire()

A vulnerability was discovered in Node.js that allowed permissions policies to impersonate other modules using the module.constructor.createRequire function. This could bypass the policy mechanism and enable the loading of modules outside of the defined policy. The vulnerability affected all user...

Node.js: Permission model improperly protects against path traversal

Vulnerability description not provided...

HackerOne: Hackerone All Private Program Name Leaked to Public Via Collaborator OR Attacker can Easily Dump all Private Program Names through Collaborator

A vulnerability was discovered in Hackerone that allowed an attacker to obtain the names of private programs. By manipulating the report ID and using the Collaborator feature, the attacker could determine if a program was private or public. This compromised the confidentiality of private programs...

Node.js: Process-based permissions can be bypassed with the "inspector" module.

Process-based permissions in Node.js can be bypassed using the built-in inspector module, allowing an attacker to access restricted resources...

Nextcloud: Mail app stores cleartext password in database until OAUTH2 setup is done

A vulnerability was found in the Nextcloud Mail app where the password for XOAUTH2 accounts was stored in clear text in the database during the setup process, until the OAUTH2 setup was completed. This could have allowed a database administrator to read the plaintext password...

Nextcloud: [user_oidc] Unencrypted Communications

The OpenID Connect User Backend allows users to login to Nextcloud using SSO and is - according to the policy - part of the main scope of this program. The implementation supports plain HTTP without TLS and transfers sensitive information such as OIDC clientsecrets in an unencrypted manner...

8x8: Open Redirect ███.8x8.com

@mrk0anti reported to us an Open Redirect vulnerability utilising a misconfiguration which allowed https://█.█.█.█/.example.com to be redirected ➡️ https://www.8x8.com.example.com The issue has been swiftly rectified...

GitHub Security Lab: [Java]: Add JDBC connection SSRF sinks

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

TikTok: Reflected xss on ads.tiktok.com using `from` parameter.

A XSS cross-site scripting vulnerability was found on a TikTok ads endpoint using the "from" parameter. We thank @imrannisar for reporting this to our team and confirming its resolution...

Localize: Stored XSS in Document Title

Summary : Stored attacks are those where the injected script is permanently stored on the target servers, such as in a database, in a message forum, visitor log, comment field, etc. The victim then retrieves the malicious script from the server when it requests the stored information. Stored XSS ...

GitHub Security Lab: [JAVA]: CWE-347 - Improper Verification of Cryptographic Signature : Potential for Auth Bypass

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

VK.com: Open redirect в карусели сообщения бота

Открытое перенаправление в каруселях чат-ботов. Уязвимость позволяет перенаправить пользователя на вредоносную ссылку из карусели, минуя away.php...

Ruby: OS Command Injection in 'rdoc' documentation generator

Details: If the removeunparseable function receives a list of files with a command in the name of one of them, it will be executed. Just enough the name to match the pattern. The problem code: ruby def removeunparseable files files.reject do |file, | file =...

VK.com: Stored XSS при удалении группы из беседы (m.vk.com)

Недостаточная фильтрация символов в названии сообщества...

BlockDev Sp. Z o.o: xmlrpc.php FILE IS enabled it will used for Bruteforce attack and Denial of Service(DoS)

xmlrpc.php file is visible...

TikTok: Multiple bugs leads to RCE on TikTok for Android

A series of WebView vulnerabilities were found including XSS which could have potentially led an attacker to achieve remote code execution. We thank @dphoeniixx for reporting this to our team and verifying the resolution!...

GitHub Security Lab: codeql-go: Expand Go standard library taint-tracking models to 63 packages, 554 models and 733 tests (from ~13 packages, ~103 models, ~50 tests)

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

Mail.ru: CVE-2020-3187 на ip адресе 91.231.115.30

CVE-2020-3452 on webvpn.city-srv.ru...

TikTok: CORS misconfiguration in TikTok ads portal

A CORS misconfiguration was discovered in the TikTok ads portal which could potentially allow an attacker to obtain user IDs and usernames of logged in users. This issue has been resolved. We thank @chihuahua for reporting this to our team...

Zivver: Two-factor authentication can be disabled when logged in without 2fa or password confirmation

When a user performed sensitive actions on an account, he/she didn't have to provide his/her password after some inactivity. This issue is now addressed and to perform actions related to account security, the user has to provide his/her password before continuing...

GitLab: Ability To Delete User(s) Account Without User Interaction

Summary: Gitlab allows its user to exercise their GDPR rights Right to Access/Delete user data by sending an email to [email protected] however gitlab team doesn't ask for security questioni.e Date Of Birth before deleting the user account moreover doesn't authenticate the incoming emails...

Staging.every.org: Race Condition when following a user

Summary: Hi team, There is a race condition vulnerability when following a user. If you send the Follow requests asynchronously, you can follow a user multiple times instead getting an error message. I've been using Turbo Intruder extension at Burp Suite for trying Race Condition attacks. I can...

Nextcloud: No rate limiting on sinup page

Hi Team, Summary: As a best practice a login page should have a rate limiting. Below is the captured request of respective login page of nextcloud.com -------------------------------------------------------------------------------------------------------------------- POST...