X (Formerly Twitter): XSS on https://app.mopub.com/reports/custom/add/ [new-d1]

Parameter new-d1 Payload Steps to reproduce 1. Go to URL: https://app.mopub.com/reports/custom/add/ 2. Start burp suite proxy, intercept on. 4. Enter payload in vulnerable parameter. 3. click on Run and Save button. 4. You will see java-script getting executed. POST Request POST...

Shopify: Inject page in admin panel via Shopify.API.pushState

Summary Shopify.API.pushState call the method handleRoutePushEvent, allows you to change routes to open pages from admin panel: js handleRoutePushEventpathname: e, search: t, state: a, hash: o const adminPath: n, history: i = this.props // adminPath = /admin , s = "".concatn.concate; // // If we...

Rockstar Games: The return of the ＜

In this report, the researcher was able to demonstrate a Stored XSS vulnerability in our Message system on the Social Club website. By taking advantage of the fact that '＜' characters are normalized to '.͓̮̮ͅ=sW&͉̹̻͙̫̦̮̲͏̼̝̫́̕...

Concrete CMS: Stored XSS in Conversations (both client and admin) when Active Conversation Editor is set to "Rich Text"

Hi concrete5 Team, Summary I've identified Stored XSS vulnerability in concrete5 Conversations module, when Active Conversation Editor is set to "Rich Text". An attacker is able to input malicious JavaScript, which is run in both client agains any site visitor as well as against any user logged...

X (Formerly Twitter): login csrf in analytics.mopub.com

Description: There is no csrftoken validation while logging in which leads to csrf. base request : POST /login HTTP/1.1 Host: analytics.mopub.com Connection: close Content-Length: 37 Accept: application/json, text/plain, / Origin: https://analytics.mopub.com User-Agent: Mozilla/5.0 Windows NT 10....

Monero: Computing hash of crafted block leads to crash in tree_hash()

I'm not sure how to test this against against an actual Monero instance, so I'm instead showing an isolated PoC: c include int mainvoid cryptonote::block b = AUTOVALINITb; for sizet i = 0; i baoss; std::string s; if ::serialization::serializeba, b == true s = oss.str; else return 0; / Uncomment t...

U.S. Dept Of Defense: [Critical] Full local fylesystem access (LFI/LFD) as admin via Path Traversal in the misconfigured Java servlet on the https://███/

Description Hello. I discovered a Path Traversal issue on the https://██████████/ I was able to turn it to the local file read, and after series of the test determined that it's possible to reach sensitive system files with administrator rights. POC The next request will read the...

HackerOne: report id is exposed for undisclosed reports in Hacktivity

Summary: This is similar to https://hackerone.com/reports/127620 where the report Id of undisclosed report is visible on graphql query Description: The new hacktivity graphql query includes undisclosed reports, but part of the query result is the report id which is included in private information...

Mail.ru: CSRF на загрузку изображения Pandao

Domain, site, application https://pandao.ru/ -- Don't forget to include site address / application name / version information https://pandao.ru/ Testing environment -- OS version, browser information, settings and prerequisites to reproduce vulnerability, testing tools used, etc Parrot OS Steps t...

Internet Bug Bounty: efree() on uninitialized Heap data in imagescale leads to use-after-free

The core bug: https://bugs.php.net/bug.php?id=77269 This bugfix actually involves two vulnerabilities: a call to efree on uninitialized data and another free based vulnerability. What is described below is a bug that was fixed in libgd two years ago CVE-2016-10166, but the patch was never applied...

Zomato: Open Redirect On Your Login Panel

Summery Hey There are a open Redirect on your login panel Platforms Affected: Website Browsers Verified In If Applicable: Chrome For Android Firefox For Android Steps To Reproduce: 1. Go To This Url :- https://www.zomato.com/login?redirecturl=https://askdcodes.org 2. Then login there 3. boom you...

Valve: RCE on Steam Client via buffer overflow in Server Info

Introduction In Steam and other valve games CSGO, Half-Life, TF2 there is a functionality to find game servers called the server browser. In order to retrieve the information about these servers the server browser communicates with a specific UDP protocol called server queries. The protocol is we...

Liberapay: Import of repositories from GitHub is tied to username instead of immutable ID

When a user verifies a Github account at /edit/elsewhere the final result is a Github username tied to a Liberapay account. The issue is Github usernames are mutable. Consider the scenario. 1. I create an account called ed-liberapay something likely to be claimed in the future 2. Verify that I ow...

Ruby on Rails: Specially constructed multi-part requests cause multi-second response times; vulnerable to DoS

The multi-part body parsing in Rack and consequently Rails has a worse-than-linear performance relative to the number of parts in the request body. In small scale i.e. non-disruptive tests on a variety of Rails applications on the internet, including my own, GitHub.com, Heroku API, Instacart,...

Khan Academy: Cross-Site Request Forgery (CSRF) vulnerability on API endpoint allows account takeovers

Summary The /signup/email API endpoint at khanacademy.org is vulnerable to Cross-Site Request Forgery CSRF attacks, allowing takeovers of accounts associated with unconfirmed email addresses. Description The vulnerable endpoint allows an authenticated user to change the email address associated...

Uber: Client secret, server tokens for developer applications returned by internal API

@appsecurein identified an internal API for https://riders.uber.com that could return clientsecret and server token for applications authorized by the account owner to access their Uber account. We restricted the data returned by this endpoint. Thanks for bringing this to our attention,...

Mail.ru: Найден build.sh в webagent.mail.ru

Source code of build script for web application was available for download. It could leak some non-sensitive information on internal build processes and configurations...

Brave Software: Field Day With Protocol Handlers

Summary ===================== When launching a protocol such as mailto:, SEARCH:, or bitcoin:, Brave only asks to allow the protocol to be opened by an external application. You can select on whether or not to remember the decision or not and to allow or deny it. The issue is that upon selecting...

pixiv: RCE due to ImageTragick v2

Hello Pixiv team! Your Image processing process suffering from ImageTragick v2. Issue is caused by ghostscript RCE findnings. How to reproduce: PATCH /design Host: manage.booth.pm send following image: ------WebKitFormBoundaryXX05yrKS4g8d9CWh Content-Disposition: form-data; name="shopheader";...

PayPal: [Venmo Android] Remote theft of user session

A URL activity in the Venmo application used the built-in android.net.Uri parser, which has a known logic problem with certain characters. If an external URL were passed from a website or other app on the device to the application activity, the app would open the URL without properly validating t...

Node.js third-party modules: [samsung-remote] Command injection

I would like to report a command injection vulnerability in the samsung-remote npm module. It allows arbitrary shell command execution through a maliciously crafted argument. Module module name: samsung-remote version: 1.2.5 npm page: https://www.npmjs.com/package/samsung-remote Module Descriptio...

Ruby on Rails: Validation bypass for queries generated for PostgreSQL

When using DB for PostgreSQL, I discovered that if a parameter of a query contains null character, there is a pattern in which subsequent strings are lost. how to reproduce Prepare the environment $ rails new postgresqlrails -TB --database=postgresql $ cd postgresqlrails $ bundle exec ruby -v rub...

Node.js third-party modules: Command Injection is ps Package

I would like to report a command injection in ps package. It allows attacker to inject arbitrary OS commands instead of PID numbers. Module module name: ps version: 0.0.2 npm page: https://www.npmjs.com/package/ps Module Description A Node.js module for looking up running processes. Module Stats ...

Shipt: Subdomain Takeover at test.shipt.com

A researcher identified a stale DNS record that pointed to an abandoned test Heroku instance. This allowed for subdomain takeover. This was not an actively used subdomain and was not linked in any of our production applications. Nonetheless, Shipt Security immediately addressed the issue and...

Mail.ru: molotok.m.mail.ru delegated to external entity

SDC bypass secure cookies access vulnerability in m.mail.ru due to subdomain name pointing to uncontrolled external host...

Basecamp: Remote code execution on Basecamp.com

A critical flaw in Basecamp's profile image upload function leads to remote command execution. Images are converted on the server side, but not only image files but also PostScript/EPS files are accepted if renamed to .gif. This is probably due to ImageMagick / GraphicsMagick being used for image...

Vanilla: Vanilla SQL Injection Vulnerability

Summary: There is a SQL injection vulnerability in the vanilla, an attacker can use this vulnerability to obtain database information. Description: We download the program from https://github.com/vanilla/vanilla and install. In applications/dashboard/controllers/class.profilecontroller.php:274 ph...

HackerOne: Program metrics disclosed response_efficiency_percentage via /program_name json response despite the team decided not to show on their profile

Hi Team, Summary: First of all, i am not sure if a private program or any program have the capability to not show their response efficiency, but i assume they have because i saw some private programs that do not show response efficiency percentage on their public page. Description: Below list of...

Node.js third-party modules: Privilege escalation allows any user to add an administrator

I would like to report privilege escalation in the npm module express-cart. It allows a normal user to add another user with administrator privileges. Module module name: express-cart version: 1.1.5 npm page: https://www.npmjs.com/package/express-cart Module Description expressCart is a fully...

Node.js third-party modules: [m-server] Path Traversal allows to display content of arbitrary file(s) from the server

I would like to report Path Traversal in m-server module. It allows to read content of any arbitrary file from the server where m-server is installed and run. Module module name: m-server version: 1.4.0 npm page: https://www.npmjs.com/package/m-server Module Description M-Server is a mini http...

Node.js third-party modules: `https-proxy-agent` passes unsanitized options to Buffer(arg), resulting in DoS and uninitialized memory leak

I would like to report a Buffer allocation vulnerability in https-proxy-agent. In setups where auth argument is user-controlled, it allows to: 1. cause Denial of Service by trivially consuming all the available CPU resources 2. extract uninitialized memory chunks from the server on Node.js This...

GitLab: SQL injection in MilestoneFinder order method

The MilestoneFinder is a class used to find milestones based on group or project identifiers. The class is used in multiple controllers. It allows to filter based on state and can be used to order the result set. One of the uses can be found in the Groups::MilestonesController. When the index...

VK.com: Blind XXE on pu.vk.com

Blind XXE vulnerability in processing of uploaded documents. Blind XXE vulnerability in processing of uploaded XML-documents such as docx. Vulnerability was hard-exploitable, because all data retrieval channels did not work except DNS...

Internet Bug Bounty: Mailsploit: a sender spoofing bug in over 30 email clients

Mailsploit is a collection of bugs in email clients that allow effective sender spoofing and code injection attacks. The spoofing is not detected by Mail Transfer Agents MTA aka email servers, therefore circumventing spoofing protection mechanisms such as DMARC DKIM/SPF or spam filters. Bugs were...

AlienVault : DNS pinning SSRF bypass

Summary: this issue is a bypass for this report: https://hackerone.com/reports/285380 . It is a SSRF bypass with DNS pinning. Description: We can bypass the SSRF protection with a simple domain that is resolving to 169.254.169.254 , like: ssrf-cloud.localdomain.pw Browsers Verified In: Firefox 56...

International Islamic University Chittagong: Default credentials on http://119.18.148.140/hrd/

Hello, When the mentioned URL is opened, the user is presented with a login form that logs them into the "HR & Payroll" system of the university. The issue here is that the credentials used are the application's default credentials, which are mentioned here...

Inflection: Unsubscribe Any User

Researcher reported that HubSpot's "unsubscribe" feature allows any user to unsubscribe from marketing emails without having to confirm their email address. Inflection does not consider this a vulnerability, as we want to make it as easy as possible for users to stop receiving marketing emails th...

Internet Bug Bounty: Perl $ENV Key Stack Buffer Overflow

The CPerlHost::Add method in win32\perlhost.h is vulnerable to a stack buffer overflow. void CPerlHost::AddLPCSTR lpStr char szBuffer1024; LPSTR lpPtr; int index, length = strlenlpStr+1; forindex = 0; lpStrindex != '\0' && lpStrindex != '='; ++index szBufferindex = lpStrindex; szBufferindex = '\0...

Rockstar Games: CSRF Vulnerability allows attackers to steal SocialClub private token.

The researcher was able to combine a Flash exploit with a CSRF vulnerability in order to obtain sensitive user tokens from https://socialclub.rockstargames.com/profileedit/GetTokens. This page is ordinarily only called in a secure fashion such that an attacker is unable to see another user's...

U.S. Dept Of Defense: Remote Code Execution (RCE) in DoD Websites

A remote code execution RCE vulnerability was found on a Department of Defense DoD website which could have enabled an attacker to execute remote commands on the web server. @joaomatosf was able to demonstrate this vulnerability by developing a custom script that caused the webserver to execute a...

Weblate: Rate Limit Bypass on login Page

Hi, Your web authentication endpoint, https://demo.weblate.org/accounts/login/ POST, currently protects against credentials brute-force attacks only by requests rate-limiting based on IP. It was found that if an attacker sends login requests faster than every 4 seconds from the same IP address, i...

Udemy: Subdomain Takeover (and Stored XSS) via Trailing Dot at https://coding-exercises.udemy.com

Hello @Udemy! Summary ===== I previously reported a cross-site scripting vulnerability 222337 at coding-exercises.udemy.com. I recently discovered that GitBook-hosted sites are also vulnerable to subdomain takeovers due to a trailing dot vulnerability in the GitBook "Custom Domain" feature seen...

Nextcloud: Share tokens for public calendars disclosed (NC-SA-2017-011)

Share tokens for public calendars disclosed NC-SA-2017-011 Risk level: Medium CVSS v3 Base Score: 4.3 AV:N/AC:L/PR:N/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 valid share tokens for public calendars. Thus...

OLX: Public Vulnerable Version of Confluence https://confluence.olx.com

The public server is vulnerable to Insecure Direct Object Reference, allowing any authenticated user to read configuration files from the application such as the content of webapp directory in confluence. Link to the public issue: https://jira.atlassian.com/browse/CONF-39704 PoC: GET:...

Zomato: Unauthorised Access to Anyone's User Account

When we do Login with Facebook on the Zomato app, you're doing zero authentication of the user. I'm able to hack into the targeted user's accounts by just using the Facebook ID. Affected API raw request: POST...

Pornhub: Account hijack via deleted PH account

The researcher identified a faulty Oauth implementation allowing YouPorn accounts to be hijacked. The researcher exploited a feature which links Pornhub and YouPorn accounts together by leveraging old accounts which were previously deleted, or where username was changed. A faulty Oauth auth...

Discourse: Stored XSS in posts because of absence of oembed variables values escaping

Hello! Steps to reproduce: 1. Paste this payload URL in the post: http://89.223.28.48/oembedvideo.html?uncache 2. Save the post and you will see the XSS will fire. F151922 The vulnerability exists because of absence of oembed variables values escaping. There is the oembed link in the payload page...

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...

Uber: Reflected XSS in lert.uber.com

Due to a lack of input validation from the search field on lert.uber.com, it was possible to obtain a Reflected XSS from the URL path, e.g. https://lert.uber.com/s/search/All/Home"PAYLOAD. Thanks, @hussain0x3c!...

Nextcloud: BruteForce in to Admin Account

Hello, My self Abdulwahab, I want to Alert You that Your website is Facing a serious Problem Called : Username Enumeration This Problem is on nextcloud.com/wp-admin We Use wpscan to get username and the username is "frank" After getting username a user can Bruteforce it Using Wpscan and get acces...