Shopify: Admin bar: Incomplete message origin validation results in XSS

This issue is very similar to https://hackerone.com/reports/381192, identical logic in a different script. The JavaScript code at https://cdn.shopify.com/s/assets/storefront/bars/adminbarinjector-7461c2cab955bf9ef3df40acd10741df8c4e27c86d9dc323f65a4e786a1786f2.js loaded by the shop front when the...

Rocket.Chat: Blind XSS in the rocket.chat registration email

Note: This report was initially sent via email and I was invited to submit this here. Hi team, During an audit on a third-party, I discovered that rocket.chat Android client might be vulnerable to blind XSS. My XSS payload fired in the context of the target's rocket.chat client as you can see bel...

Hanno's projects: blind sql injection

Summary: There exists a possibility that your Serendipity installation is vulnerable to a blind sql injection. Description: By sending specially crafted SQL commands to /plugin/tag/ and timing how long it takes for the server to respond, it is quite possible that the blog backend is interepreting...

Node.js third-party modules: [626] Path Traversal allows to read arbitrary file from remote server

Hi Guys, There is Path Traversal vulnerability in 626 module, which allows to read arbitrary file from the remote server. Module 626 This package exposes a directory and its children to create, read, update, and delete operations over http. https://www.npmjs.com/package/626 version: 1.1.1 Stats 0...

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

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

Automattic: xss filter bypass [polldaddy]

Hi, previously reported xss https://hackerone.com/reports/107405 which is fixed, but i am able to bypass that fix. Payload for bypass : Click Here Steps: - Login into Polldaddy account polldaddy.com - go to POLLS and create new poll - in answers. enter xss payload Click Here F217173 - Save it - g...

Rockstar Games: Stored XSS with CRLF injection via post message to user feed

In this report, the researcher was able to demonstrate a Stored XSS vulnerability in User Feeds. This vulnerability leveraged CRLF injection in order to bypass existing filters and execute the payload. With their help we were able to improve our filtering and sanitization rules in order to preven...

Internet Bug Bounty: Insufficient shell characters filtering leads to (potentially remote) code execution (CVE-2016-3714)

The 1 EPHEMERAL, 2 HTTPS, 3 MVG, 4 MSL, 5 TEXT, 6 SHOW, 7 WIN, and 8 PLT coders in ImageMagick before 6.9.3-10 and 7.x before 7.0.1-1 allow remote attackers to execute arbitrary code via shell metacharacters in a crafted image, aka "ImageTragick." See also:...

Shopify: Stored XSS in https://checkout.shopify.com/

STEPS TO REPRODUCE 1. Go to http://hardware.shopify.com/products/custom-gift-card?variant=976094353 and Design your own gift card. 2. Change file type to url on the upload field. 3. Add the payload...

Square Open Source: git-fastclone allows arbitrary command execution through usage of ext remote URLs in submodules

I recently discovered a security vulnerability in git that also affects other programs that manually reimplement submodule-like operations. The recent security update to git0 concerning git-remote-ext URLs in submodules affects git-fastclone similarly. This bug was patched in Git v2.6.1, v2.5.4,...

HackerOne: Improperly validated fields allows injection of arbitrary HTML via spoofed React objects

Note: I haven't yet investigated the implications of this fully, so this may be more severe than I'm currently aware of. Right now the only exploits I'm aware of allow a team member to attack other team members. I've found a couple fields that I'd expect to be limited to string values, but which...

Mobile Vikings: Stored XSS in Direct debit name

Make new or edit old Direct debit for example https://mobilevikings.be/en/account/easypay/correct-direct-debit-mandate/111366/ 2. Fill owners name with payload asdf'"alertdocument.cookie 3. Save form. We got Stored XSS in pages: https://mobilevikings.be/en/account/easypay/...

Ruby on Rails: Active Record SQL Injection Vulnerability Affecting PostgreSQL

This vulnerability was reported directly to Rails. https://groups.google.com/forum/!msg/rubyonrails-security/wDxePLJGZdI/WP7EasCJTA4J...

Localize: Login page password-guessing attack

Login page password-guessing attack Vulnerability description A common threat web developers face is a password-guessing attack known as a brute force attack. A brute-force attack is an attempt to discover a password by systematically trying every possible combination of letters, numbers, and...

Internet Bug Bounty: SPDY memory corruption

A bug in the experimental SPDY implementation in nginx 1.5.10 was found, which might allow an attacker to corrupt worker process memory by using a specially crafted request, potentially resulting in arbitrary code execution CVE-2014-0088. The problem only affects nginx 1.5.10 on 32-bit platforms,...

Internet Bug Bounty: TLS Virtual Host Confusion

I am a security researcher at INRIA Paris in team PROSECCO http://prosecco.inria.fr We have been investigating a new class of attacks against the deployment of TLS on the Web. The main idea behind these attacks is that when two servers host different domains but share the same certificate which...

Ruby: Ruby: Heap Overflow in Floating Point Parsing

Any time a string is converted to a floating point value, a specially crafted string can cause a heap overflow. This can lead to a denial of service attack via segmentation faults and possibly arbitrary code execution. Any program that converts input of unknown origin to floating point values...

AWS VDP: Responsible disclosure - public S3 bucket exposing JSON/config files

A publicly listable S3 bucket was discovered, exposing various JSON and configuration files. The bucket listing and file metadata were retrievable without authentication...

Internet Bug Bounty: Improper handling of wildcards in --allow-fs-read and --allow-fs-write

The Node.js Permission Model was found to have improper handling of wildcards in the --allow-fs-read and --allow-fs-write options. The implementation silently ignored any text after a wildcard character, potentially granting unintended file system access. Additionally, when the wildcard character...

HackerOne: Bypass of #2035332 RXSS at image.hackerone.live via the `url` parameter

A reflected cross-site scripting RXSS vulnerability was discovered on the image.hackerone.live website. The vulnerability allowed an attacker to bypass the fix implemented for a previous RXSS issue. By modifying the server's response to a HEAD request, the attacker could change the Content-Type a...

Node.js: CRLF Injection in Nodejs ‘undici’ via host

A CRLF injection vulnerability existed in the 'host' header of undici.request API, allowing an attacker to inject arbitrary HTTP headers and conduct various attacks. The vulnerability impacted undici library versions up to 5.14.0...

Nextcloud: [nextcloud/server] Moment.js vulnerable to Inefficient Regular Expression Complexity

Describe the bugs: 🐛 moment is a lightweight JavaScript date library for parsing, validating, manipulating, and formatting dates. affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS via the preprocessRFC2822 function in from-string.js, when processing a...

Internet Bug Bounty: Airflow Daemon Mode Insecure Umask Privilege Escalation

Apache Airflow prior to 2.3.4 had multiple components with an insecure daemon umask of 0, resulting in critical files and directories to be world writable. As such, any local user can infer Airflow to process specially crafted input and ultimately perform a privilege escalation to user executing...

Internet Bug Bounty: Pause-based desync in Apache HTTPD

Apache was vulnerable to a pause-based desync. This vulnerability is described in detail in my whitepaper here: https://portswigger.net/research/browser-powered-desync-attackspause Impact This enables server-side HTTP Request Smuggling when Apache is deployed as a back-end server, and it also...

Top Echelon Software: Wordpress Users Disclosure (/wp-json/wp/v2/users/)

Hello Team @topechelonsoftware Information: Using REST API, we can see all the WordPress users/author with some of their information. Step To Reproduce: You can get user info by entering below url in your browser: https://www.topechelon.com/wp-json/wp/v2/users/ ███████ Impact Authors : LTR ,...

Shopify: XSS at jamfpro.shopifycloud.com

An XSS vulnerability was discovered in the instance of Jamf Pro running on https://jamfpro.shopifycloud.com due to the old Swagger-UI being exposed at /classicapi/doc/. An attacker could have crafted a URL to introduce an XSS payload and execute arbitrary JS code in the context of the application...

GitHub Security Lab: [Python] CWE-522: Insecure LDAP Authentication

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

GitHub Security Lab: [Java] CWE-295 - Incorrect Hostname Verification - MitM

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

Kryptor: Kryptor/SECURITY.md missing HACKERONE program update.

Hi Team, I was going through code and found that in this https://github.com/samuel-lucas6/Kryptor/blob/master/SECURITY.md , "Security Policy" is missing update regrading Hackerone platform that "Security Bug now be submitted @ https://hackerone.com/kryptor/ this . Please update the policy...

CS Money: IDOR in https://3d.cs.money/

Summary: Hello, I found an IDOR in https://3d.cs.money/ which will allow you to save, edit, delete build of victim account without any grant on the victim account Steps To Reproduce: This bug based on steamID which is reflected on Steam or you can use any Steam ID Finder software to find...

Dropcontact: Sensitive Information Disclosure

we were displaying sensitive information. While testing the site i was able to disclose sensitive information such as username, passwords, api keys, etc due to DEBUG = True .This bug arose due to default configuration at the backend. Now the bug is fixed. Thanks to the team for the quick fix!...

Node.js third-party modules: [keyd] Prototype pollution

I would like to report a prototype pollution vulnerability in keyd module. It allows an attacker to inject properties on Object.prototype. Module module name: keyd version: 1.3.4 npm page: https://www.npmjs.com/package/keyd Module Description A small library for using and manipulating key paths i...

Razer: 🐞 OS Command Injection at https://sea-web.gold.razer.com/lab/ws-lookup via IP parameter

The tester discovered a Razer Gold Thailand site that suffered from a service with a command injection vulnerability. Razer thanks the tester for his report and clear PoC. a real world CTF-Like challenge 😅 Burpsuite Collaborator Client was very helpful Thanks @Razer for the bounty 🥳...

Trint Ltd: SSO bypass in zendesk using trint organization able to leak internal ticket information

Summary hello there because in app.trint.com there's no email verification i able to login in your zendesk SSO using your organization your organization using domain @trint.com because there's no email verification i able to read and takeover + claim this email [email protected] and i able to...

Internet Bug Bounty: CVE-2019-0196: mod_http2 with scoreboard Use-After-Free (Read)

A crafted HTTP2 request can trigger reference to request data from a memory pool after its destruction. This memory is subsequently used as input to an sprintf type function for constructing a string value. This unsafe memory access ultimately means that the r-therequest string is poisoned with...

Internet Bug Bounty: Integer overflow leading to buffer overflow

There exists an integer overflow in Perlmysetenv @ util.c : 2070 2070: void PerlmysetenvpTHX const char nam, const char val ... 2166: const int nlen = strlennam; ... 2171: vlen = strlenval; 2172: newenv = charsafesysmallocnlen + vlen + 2 sizeofchar; Here in a 64 bit version of Perl, since the...

HackerOne: Improper UUID validation results in bypass of #419896

This was found while evaluating the vulnerability and patch identified in 419896. I determined the deployed patch to be effective. However, I noticed tracer values could be sent which didn't conform to the UUID specification as characters outside of the a-f and 0-9 ranges could be used. For...

Node.js third-party modules: url-parse package return wrong hostname

Jul 19th 2018 - lolwaleet submitted a report to Node.js third-party modules. I would like to report url-parse package return wrong hostname in url-parse. Module module name: url-parse version: 1.4.1 npm page: https://www.npmjs.com/package/url-parse Module Description The url-parse method exposes...

VK.com: XSS-уязвимость, связанная с загрузкой файлов

XSS в документах...

Trello: Stored XSS in Treeview plugin

There was a potential XSS issue in a third party power-up. While issues with third party apps are generally out of scope for our bug bounty program, in this case we opted to award a small bounty...

Roblox: Subdomain Takeover to Authentication bypass

Vulnerability Type: ----------- Subdomain Takeover Description: ----------- Due to unclaimed or expired Hubspot instance an attacker is able to claim and serve content from devrel.roblox.com and perform different kind of attacks which i shared in impact section. Affected Area: -----------...

Node.js third-party modules: [uppy] Stored XSS due to crafted SVG file

NOTE! Thanks for submitting a report! Please replace all the square sections below with the pertinent details. Remember, the more detail you provide, the easier it is for us to triage and respond quickly, so be sure to take your time filling out the report! Module: Uppy. Affected version: 0.22.2...

Internet Bug Bounty: CVE-2017-13090 wget heap smash

The retr.c:fdreadbody function is called when processing OK responses. When the response is sent chunked in wget before 1.19.2, the chunk parser uses strtol to read each chunk's length, but doesn't check that the chunk length is a non-negative number. The code then tries to read the chunk in piec...

Trello: XML entity expansion using svg file

Hope you guys are doing great. I want to report xml entity expansion bug while uploading svg file . When adding a card in boards it also allows to upload attachments which can include svg files. Users or admin can then download those attachment but the problem is when svg file is uploaded, websit...

Phabricator: Autoclose can close any task regardless of policies/spaces

Description If a user can push to a repository that has autoclose enabled, they can close //any// Maniphest task on the install, including tasks whose policies otherwise restrict the user from viewing or editing, and tasks inside Spaces that the user can't view. I don't think this rises to the...

Yelp: Verification of email addresses possible through https://www.yelp.com/signup/facebook

Hi, There is an issue with the https://www.yelp.com/signup/facebook endpoint which allows an attacker to validate whether a specific email address is registered on Yelp. There seems to be no rate limit nor a validation for already used CSRF tokens. Steps to reproduce: 1. Go to...

Pushwoosh: Unsecured Grafana instance

Unsecured Grafana instance...

Yelp: Password reset token not expiring

Hello Yelp, Old unused Password reset tokens are not expiring on yelp.com after the issuance of a new token. EXPLANATION: Suppose at 09:00 hrs I used password reset options of yelp and got a token on my email.Lets call it token01. But i did not use it. And at 09:04 hrs I used again the password...

Uber: Subdomain takeover of translate.uber.com, de.uber.com and fr.uber.com

Limited disclosure at @rojanr's request Subdomains including translate.uber.com, fr.uber.com and de.uber.com were pointing to a CNAME for a site that was not claimed. I was able to claim the site and add any content. For PoC purposes, I showcased my blog on translate.uber.com and de.uber.com...

Pornhub: [stored xss, pornhub.com] stream post function

Stored Cross Site Scripting The user profile page is vulnerable to stored cross site scripting, a user can post a text post on their page with the following as the message body: http://url=http://www.pornhub.com/"/onmouseover="alertdocument.domain"/http://a/"/url This gets stored in a post and ca...