Snapchat: Subdomain takeover in http://support.scan.me pointing to Zendesk (a Snapchat acquisition)

harrymg helped us identify an issue in which support.scan.me's CNAME was pointing to scan.zendesk.com. Normally there would be a Zendesk instance there, but in this case, the Zendesk instance was no longer in use. As such, harrymg was able to "claim" scan.zendesk.com from Zendesk. As such, any...

Internet Bug Bounty: Adobe Flash Player Out-of-Bound Access Vulnerability

I. Summary Adobe Flash Player is prone to a vulnerability which leads to Out-of-Bound memory access memory via carefully crafted regular expression. An attacker can exploit this issue to defeat ASLR protection or even execute arbitrary code in the context of affected application Internet Explorer...

Internet Bug Bounty: CVE-2024-32760 in nginx

CVE-2024-32760 was discovered in the HTTP/3 QUIC module of NGINX Plus and NGINX OSS. When the module was configured, undisclosed HTTP/3 encoder instructions could cause NGINX worker processes to terminate or experience other potential impact...

WakaTime: IDOR to view order information of users and personal information

Vulnerability description not provided...

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...

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...

Reddit: api keys leaked

Summary: Disclosure of valid private keys may lead to unauthorized access to any systems that use them for authentication. Verify whether any keys disclosed are actually valid, and whether their disclosure within the application is appropriate Impact: Disclosure of valid private keys may lead to...

Yelp: No rate limit on subscribe form

Summary: Hi team, I found that you missing a rate limit protection for subscribe form Platforms Affected: https://business.yelp.com/?source=consumersiteheader&utmcontent=header&utmmedium=www&utmsource=conshome Steps To Reproduce: 1. go to...

Node.js: HTTP Request Smuggling Due to Incorrect Parsing of Multi-line Transfer-Encoding (improper fix for CVE-2022-32215)

Summary: Due to an incomplete fix for CVE-2022-32215, the llhttp parser in the http module in Node v16.16.0 and 18.7.0 still does not correctly handle multi-line Transfer-Encoding headers. This can lead to HTTP Request Smuggling HRS. Description: add more details about this vulnerability We have...

Internet Bug Bounty: CVE-2022-27780: percent-encoded path separator in URL host

Advisory: https://curl.se/docs/CVE-2022-27780.html Original Report: https://hackerone.com/reports/1553841 Impact URL filter bypasses...

h1-ctf: 100K CTF's Writeup

Limited disclosure based on researcher's request. Hello everyone, We are one of the winners of 100k CCC CTF and we would like to congratulate all the other winners of the CTF as well. Here is the link to our write-up https://blog.dexter0us.com/posts/ccc-h1ctf/ hope you guys enjoy reading it and...

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...

UPchieve: User enumeration through forget password

Vulnerability:- -User enumeration is possible through forgot password feature. steps to reproduce:- -Go to the above selected domain and go to forgot password. -submit random email and then intercept request by burp suit -in response you will get HTTP/1.1 500 Internal Server Error with "err":"No...

Concrete CMS: Authenticated path traversal to RCE

crayons Description The bFilename parameter in the scenario index.php/ccm/system/dialogs/block/design/submit is vulnerable to remote code execution via path traversal vulnerability. Authenticated attacker with rights to edit web application pages can upload malicious PNG file containing PHP code...

Mail.ru: Improper Restriction of Excessive Authentication Attempts at https://top.mail.ru/edit? for site counter (Rate Limit bypass via IP Rotation)

Password at top.mail.ru counters was not sufficiently protected against bruteforce...

New Relic: "Basic user" which can only access a limited subset of the platform can access certain pages which are restricted to the user by the account owner.

@jhimansh described an issue where forced browsing could be used to visit restricted pages as an unprivileged user. As our web application is shipped as client side JavaScript, there is no way to prevent viewing all pages within that code. However, checks are done server-side to ensure that...

Topcoder: Stored XSS on https://apps.topcoder.com/wiki/plugins/socialbookmarking/updatebookmark.action

Summary: Hi : Adding javascript url causes to stored XSS when creating bookmark. Steps To Reproduce: Go to https://apps.topcoder.com/wiki/plugins/socialbookmarking/updatebookmark.action . Write javascript:alertdocument.domain on url input and fill other areas. After create, go...

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...

Razer: Reflected XSS at http://promotion.molthailand.com/index.php via promotion_id parameter

The tester discovered a reflected XSS vulnerability on https://easytopup.in.th related to a URL parameter. This issue affected the Firefox browser. Razer thanks the tester for the report and the clear proof of concept...

Nextcloud: Remote code execution via path traversal in Zip extraction in the Extract app

I realise this doesn't qualify for a reward, as it's a vulnerability in a third-party app, but as the app is part of the "official" VM image provided by Hansson IT, I think it's well worth fixing. The Extract app doesn't validate the path or filename of a zip file to be extracted, allowing an...

PUBG: Reflected XSS in pubg.com

Summary: PUBG's main website https://www.pubg.com has an endpoint that is vulnerable to an injection vulnerability - namely a reflected injection of JavaScript, also known as Reflected Cross Site Scripting XSS. As per OWASP's definition: "Cross-Site Scripting XSS attacks are a type of injection, ...

PUBG: Reflected XSS in https://lite.pubg.com

The researcher found an XSS vulnerability caused by query parameters not being properly sanitized before being displayed on the page...

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...

Central Security Project: OS Command Injection in Nexus Repository Manager 2.x

Maven artifact groupId: org.sonatype.nexus.plugins artifactId: nexus-yum-repository-plugin version: 2.14.9-01 Vulnerability Vulnerability Description The Nexus Yum Repository Plugin is vulnerable to Remote Code Execution. All instances using CommandLineExecutor.java with user-supplied data is...

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...

HackerOne: Hacker can bypass 2FA requirement and reporter blacklist through embedded submission form

Hi Team, Summary: A program owner can enforce the hackers to setup the two-factor authentication before submitting new reports to their program here: https://hackerone.com/parrotsec/submissionrequirements see below image F355169 The Parrot Sec program has this feature enabled to enforce the hacke...

Chaturbate: Chaturbate "/chat_ignore_list/" endpoint does not check for Account status: Disabled before adding Ignore via POST

Summary Chaturbate.com provides the ability for its users when in chat to ignore other users in chat rooms via DM etc by adding their camhandle name to ignorelist via HUI Actually this is just a POST to /chatignorelist/ getting as a parameter the username which is the camhandle name in order to a...

Chaturbate: Form Replay in customer information form

The hacker found that the server replays some form field data back in the response when there were form validation errors, which could be cached or viewed by someone with physical access to the same device used to complete the form. The fix was to delete the form data from showing in the response...

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...

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...

Trello: Websocket response message disclose existence of Organization ID or Board ID

I found that websocket response message can reaveal existence of ID of organization or board It is up and running in other domain. PoC ==================== connect websocket. var ws = new WebSocket"wss://trello.com/1/Session/socket?token="; ws.open = functionevent console.log''; ws.onmessage =...

Ed: DOM XSS in edoverflow.com/tools/respond due to unsafe usage of the innerHTML property.

Hi, There's a DOM XSS vulnerability on edoverflow.com. This cannot be exploited without user-interaction so I had to make a clickjacking PoC to trick the user in triggering the payload her/himself. Reproduction Steps 1. Open the attached HTML document in FireFox. 2. Drag Frog 1 to the other two...

Node.js third-party modules: `sshpk` is vulnerable to ReDoS when parsing crafted invalid public keys

I would like to report a ReDoS in sshpk It allows to cause Denial of Service by trying to parse a crafted public key. Module module name: sshpk version: 1.13.1 npm page: https://www.npmjs.com/package/sshpk Module Description Parse, convert, fingerprint and use SSH keys both public and private in...

Valve: MySQL username and password leaked in developer.valvesoftware.com via source code dislosure

Hey there it looks like you are relying on a script that cleans up your backup process on developer.valvesoftware.com: /scripts/finalcleanup.sh: Remove files post cleanup rm -r $SITEPATH/data rm $SITEPATH/.sql rm $SITEPATH/.sql.gz rm $SITEPATH/.tgz rm $SITEPATH/.tar.gz rm $SITEPATH/.log rm -r...

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...

GSA Bounty: HTML injection (with XSS possible) on the https://www.data.gov/issue/ using media_url attribute

Description Hello. I discovered Cross-Site scripting issue on the https://www.data.gov/issue/ endpoint. Akamai WAF and bypass At the srart i was not able to do the XSS due to Akamai Waf XSS filters, but later, i was able to bypass it. POC HTML injection...

Rockstar Games: Reflected XSS via Double Encoding

The researcher found a Reflected XSS vulnerability in the search query on support.rockstargames.com. This exploit worked by using double-encoding to bypass our filters. With the researcher's help we were able to resolve this vulnerability...

Pornhub: Partial disclosure of Private Videos through data-mediabook attribute information leak

The researcher discovered a bug where the direct urls of private video thumbnails were leaked in the data-mediabook attribute of the cover image. There was a possibility to view the short version of any private video due to the leaking of direct URL in the data-mediabook attribute of the thumbnai...

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...

Pornhub: Reflected XSS in login redirection module

The researcher discovered an XSS in the redirect parameter of the front controller which executes upon redirection...

Pornhub: IDOR - disclosure of private videos - /api_android_v3/getUserVideos

An API endpoint exposed private video links when a user added the video to their profile favourites. An API endpoint allowed to obtain a link to any private video by adding it to ones profile favourites. Check out the infrastructure monitoring platform BugLabs.me for bounty hunters -...

WordPress: XSS via unicode characters in upload filename

Wordpress has a vulnerability that could lead to javascript execution and thus privileged escalation via an admin visiting the wrong page via specially crafted JavaScript. Unicode characters are escaped by javascript but they are not escaped serverside. I've checked the latest version 4.6.1 at th...

Zomato: CORS Misconfiguration on www.zomato.com

The website at https://www.zomato.com tries to use Cross-Origin Resource Sharing CORS to allow cross-domain access from all subdomains of zomato.com. However, due to a flaw in the implementation, it actually allows cross-domain access from all domains ending in zomato.com including notzomato.com ...

Sucuri: SSRF in sitecheck.sucuri.net

Hi, Sucuri Security Team. I found a SSRF in https://sitecheck.sucuri.net/ Although there was already an protection to prevent SSRF, but it can be bypassed by 302 redirection! ssrf.php https://sitecheck.sucuri.net/results/orange.tw/ssrf.php And your port will receive "HELLO WORLD" orange@z:$ nc -v...

Uber: Listing of email addresses of whitelisted business users visible at business.uber.com

At business.uber.com a JSX file which has a listing of email addresses was accessible...

HackerOne: CSV Injection via the CSV export feature

Hi , I have managed to bypass your fix for 72785 by submitting a report with NewLine character 0x0a in the title before the CSV formula. Steps to reproduce: 1. As a researcher , Submit a report to a program with the title %0A-2+3+cmd|' /C calc'!D2 , here is an example request: POST...

Eobot: OPTIONS METHOD ENABLED

URL: https://www.eobot.com/chat/ Summary: I detected that OPTIONS method is allowed. This issue is reported as extra information. Impact: Information disclosed from this page can be used to gain additional information about the target system. Fix: Disable OPTIONS method in all production systems...

HackerOne: No email verification on username change

Hello Hackerone People This is an issue that i discovered in the username change option. Basically anyone can ask your system to change anyone's username on hackerone. I tested this by mailing at [email protected] to change the username of my friend's account from yhunterz to yahoohuntz whose...