HackerOne: Inline banner on Report page discloses whether organization runs a private program

Summary: Hi team , @jobert Description: Your engineers have created inscription - You are participating in a private program for ████████. Please do not publicly discuss the program until the program goes public. When a hacker creates a report in an external program with a private page, we will s...

HackerOne: A user can bypass approval step in Hacker Publishing feature, allowing them to publish reports immediately

Summary: Hi team Description: Hacker can request agree-on-going-public publish report Steps To Reproduce 1. Create publish report 2. https://hackerone.com/reports/bulk POST...

Path Traversal

Overview All versions of takeapeek are vulnerable to path traversal exposing files and directories. Recommendation As no fix is currently available for this vulnerability is it is our recommendation to use another static file server. References - HackerOne Report - Node.js Security-wg - GitHub...

Prototype Pollution

Overview Version of cached-path-relative before 1.0.2 are vulnerable to prototype pollution. Recommendation Update to version 1.0.2 or later. References - HackerOne Report - GitHub Issue - Node.js Security-wg - GitHub Advisory...

HackerOne: Attacker can claim credentials for private program that has a published external program

An attacker can obtain credentials for private programs that have a published external program, even when the attacker doesn't have access to the private program. Here is the regression spec to proof the security vulnerability: diff diff --git...

Liberapay: Broken Authentication and session management OWASP A2

Hello @liberapay, Description: It seems now if attacker has csrf token & victim cookies then attacker can easily login to victim account without any login details. No need Of Any Username/Password Theory Proof-Of-Concept: - Go to https://liberapay.com/admin.101/edit/username any username/Self...

HackerOne: IE only: stored Cross-Site Scripting (XSS) vulnerability through Program Asset identifier

Hai, I've found a stored xss vulnerability via assets but unfortunately its been blocked by CSP. Steps to reproduce:- 1 Add a asset like " i Go to program -- scope -- Add asset -- select 'Others' and give " ii Check your console now. 2 Then, Go to the created program. You can check with this...

HackerOne: A user can request a report to be retested even though the program has not been verified by HackerOne

Hey Team I have some observations and issues which i found in my recent testing on h1 platform related to creation of a new private program , So here are my observations listed below - kindly have a look and revert back if you feel like these are valid and worth reporting issues. 1 Can A program...

HackerOne: Embedded submission form UUIDs can be enumerated through GraphQL node interface, exposing sensitive program details

It's possible for an attacker to enumerate embedded submission form UUIDs through HackerOne's GraphQL node interface. In normal application behavior, an embedded submission form is queried through GraphQL with a UUID. These UUIDs are random and they're not susceptible to brute force attacks...

HackerOne: Corrupted Authorization header can cause logs not to be ingested properly in ████████

HackerOne ingests different logs in ██████, one of them being nginx access logs from our load balancers. The default log format of our load balancer configuration is shown below. As can be seen in the format, the HTTP user specified in the Authorization header $remoteuser is placed between the...

HackerOne two-factor authentication and reporting those to the blacklist bypass vulnerability（$10,000）-bug warning-the black bar safety net

Hello everyone, today I want to share with you is a HackerOne-related vulnerabilities, using the vulnerability, I can bypass the HackerOne vulnerability presented when two-factor authentication mechanisms 2FA and the bounty project, A Bug Bounty Program for reporting those to the blacklist...

HackerOne: Notifications sent due to "Transfer report" functionality may be sent to users who are no longer authorized to see the report

Hi Hackerone team, I am still able to access other program details etc. when i'm authenticated to HackerOne through SAML . I'm not sure if it's the same bug i reported earlier or there is some weak authorization check in place. PFA for more info i can access related to ██████████ etc. See the dat...

HackerOne: Verbose PHP error messages exposed on a blog article

Hey guys! For what its worth, warning messages aren't suppressed on the /blog/ endpoint, giving verbose PHP error messages when visiting a blog article such as https://www.hackerone.com/blog/H1-702-2018-makes-history-over-500K-bounties-paid. F374066 Impact Not much impact, just disclosures of pat...

HackerOne: Open redirect vulnerability in index.php

Summary: Hello Team i would like to report an open redirect on hackerone.com with reference to report 320376. In report 320376 it shows vulnerability i mitigated but still i am able to reproduce it. so all the summary and description remains the same. Redirection is performed by HackerOne website...

Code Injection

Overview Verisons of morgan before 1.9.1 are vulnerable to code injection when user input is allowed into the filter or combined with a prototype pollution attack. Recommendation Update to version 1.9.1 or later. References - HackerOne Report - Node.js security-wg - GitHub Advisory...

HackerOne: Accidental Access to Programs Information via SAML Login

On November 8th, 2018, HackerOne released software to production that contained a bug which impacted our Security Assertion Markup Language SAML authentication system. As a result of the bug, the SAML JIT Just-In-Time provisioning mechanism granted users of one customer program read-only access t...

Command Injection

Overview Versions of samsung-remote before 1.3.5 are vulnerable to command injection. This vulnerability is exploitable if user input is passed into the ip option of the package constructor. Recommendation Update to version 1.3.5 or later. References - HackerOne Report - Node.js security-wg -...

Command Injection

Overview Versions of ps before 1.0.0 are vulnerable to command injection. Proof of concept: var ps = require'ps'; ps.lookup pid: "$touch success.txt" , functionerr, proc // this method is vulnerable to command injection if err throw err; if proc console.logproc; // Process name, something like...

NoSQL injection

Overview Versions of express-cart before 1.1.8 are vulnerable to NoSQL injection. The vulnerability is caused by the lack of user input sanitization in the login handlers. In both cases, the customer login and the admin login, parameters from the JSON body are sent directly into the MongoDB query...

HackerOne: SQL injection in GraphQL endpoint through embedded_submission_form_uuid parameter

The embeddedsubmissionformuuid parameter in the /graphql endpoint is vulnerable to a SQL injection. Execute the following command to reproduce the behavior: Locally: curl -X POST http://localhost:8080/graphql?embeddedsubmissionformuuid=1%27%3BSELECT%201%3BSELECT%20pgsleep\30%3B--%27...