Dashlane: Throttling Bypass - ws1.dashlane.com

Description The host at ws1.dashlane.com throttles requests based on the IP address of the user after a certain amount of repeated requests. By adding the X-Forwarded-For header, an attacker can bypass the throttling completely, rendering the security measure ineffective against DOS attacks. Proo...

Weblate: Incorrect HTTPS Certificate

Weblate appears to have a public facing git repository located at git.weblate.org that utilises HTTPS when viewed in the browser. As a side note, netcat to port 80 results in the default debian landing page. 77.78.107.252 - git.weblate.org The site has an incorrectly configured certificate, and...

Internet Bug Bounty: CVE-2017-5482 The Q.933 parser in tcpdump before 4.9.0 has a buffer overflow in print-fr.c:q933_print().

Reported to the project maintainers in 2016. Regardless of CVE-2016-8575 q933print still could overread the buffer trying to parse a short packet. Fixed by https://github.com/the-tcpdump-group/tcpdump/commit/c39c1d99ac3b6d5d9519b39da6717180651650d3...

X (Formerly Twitter): CRLF and XSS stored on ton.twitter.com

Hey, 1 CRLF: It's similar to 52042 but weaker to reproduce go to: https://ton.twitter.com/1.1/ton/data/dm/x/%E5%98%8A%E5%98%8Dset-cookie%3A%20test%3Dtest%3B%20Domain%3D.twitter.com%3B%20Path%3D%2F%3B%20Expires%3DSat%2C%2015-Dec-2018%2009%3A45%3A55%20UTC you will find that test cookie with the val...

Open-Xchange: Reflected Cross-Site Scripting due to vulnerable Flash component (Flashmediaelement.swf)

Discovery After installing the software for testing purposes locally I performed a little search for Flash files embedded in the platform and found the following: root@OpenXchange:/opt/open-xchange find . -iname .swf ./appsuite/apps/3rd.party/mediaelement/flashmediaelement.swf...

Internet Bug Bounty: Heap overflow caused by type confusion vulnerability in merge_param()

Since the original report is still marked as private in the PHP bug tracker please find the copy & pasted bug report below edited for readability and to include correct bug tracker id. See the references section for a link to the issue in the PHP bug tracker! The maintainer already fixed the issu...

Slack: Rate-limit bypass

Hello Slack, This vulnerability is about a 2FA Bypass, On Slack Web Application there is rate limit implemented. After performing 4-6 failed 2FA Attempt, Rate limit logic will ge Triaged and ask user to wait for next attemptpreventing automated 2FA Attempts I tested the same using iOS AppiOS 9.3....

QIWI: [lk.contact-sys.com] SQL Injection reset_password FP_LK_USER_LOGIN

Steps to reproduce 1 Открыть https://lk.contact-sys.com/index.php/LK/login 2 Нажать "Забыли пароль?" 3 Заполнить форму Код Участника: test Логин: ' and @@version=1 and '1'='1 HTTP Request http POST /index.php/LK/resetpassword HTTP/1.1 Host: lk.contact-sys.com Content-Type:...

Khan Academy: Sensitive information/action is stored/done is done using a GET request

Description: The action to remove an email from account is done using a GET request and it has security token. The URL is : https://www.khanacademy.org/settings/unlinkaccount?email=134hackerone%40gmail.com&fkey= It is never a good practice to have sensitive information in URL. Following are the...

Skyliner: Email Spoofing

Hey Skyliner, I have found Email Spoofing type of Vulnerability in your Website. Attacker can use your E-Mail to send emails to others. Email spoofing is the creation of email messages with a forged sender address. Because the core email protocols do not have any mechanism for authentication, it ...

Internet Bug Bounty: stack buffer overflows in the curses module

I found two stack buffer overflows in the curses module. These vulnerabilities have been reported to the PSRT and were fixed here: https://hg.python.org/cpython/rev/d5f6bc45b376 https://hg.python.org/cpython/rev/85b35300f200 Below are copies of the mails I sent to the PSRT. They describe the...

Uber: User Enumeration and Information Disclosure

Vulnerability Name: User Enumeration and Information Disclosure Description: It was possible to enumerate users for SquareSpace admin console in uber-movement. Please find below details of users enumerated: 1. [email protected] 2. [email protected] Information Disclosure in...

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...

Nextcloud: Server side request forgery (SSRF) on nextcloud implementation.

An admin of nextcloud server can add other trusted nextcloud server in his own installation. The following request passes when a new add request is processed: http POST /nextcloud/index.php/apps/federation/trusted-servers HTTP/1.1 Host: myown.nextcloudserver.com User-Agent: Mozilla/5.0 Macintosh;...

Uber: Self-XSS on partners.uber.com

Hi, I found a reflected XSS vulnerability in password reset page https://partners.uber.com/reset-password. I have tested this vulnerability in the latest Chrome and Firefox browsers. Reproduction Steps: 1- Go to https://login.uber.com/forgot-password and reset password. Then, Click password reset...

Vimeo: Legacy API exposes private video titles

Hi, I have discovered Vimeo's legacy API vimeo.com/api exposes private video titles. Example URL: https://vimeo.com/api/oembed.json?url=https%3A//vimeo.com/152133387 Vimeo provides the uploader with 5 privacy options for viewing videos: 1. Anyone 2. Only me 3. Only people I follow 4. Only people ...

ok.ru: Обход защиты от csrf-ок в m.ok.ru

Здравствуйте! Нашел еще способ обхода защиты от csrf-ок через параметр st.rtu Тогда можно было обойти через dlgId и через ссылки на страницах Сейчас заметил что можно сделать ajax запрос с токеном X-XTKN через параметр st.rtu Его можно отправить через редактирование заметки, записи в группе, при...

Internet Bug Bounty: Double free vulnerability in Flash Player Settings Manager (CVE-2015-0346)

This was patched by https://helpx.adobe.com/security/products/flash-player/apsb15-06.html , described as a "double-free vulnerability that could lead to code execution"...

Mail.ru: XSS in ad.mail.ru

The XSS vulnerability is located here: https://ad.mail.ru/adi/3030 and is triggered by setting referer to: "alert0 The problem is that the referer is being loaded like so: html alert0 " I am aware that this is out of scope, but I am still reporting it since I just happened to spot it while lookin...

X (Formerly Twitter): XSS platform.twitter.com

Since you have fixed a few problems with the FlashTransport on platform.twitter.com already, I though I would also take a look at the JavaScript around it. Problem URL: https://platform.twitter.com/widgets/hub.html Description: The mentioned page opens URLs send to it via postMessage or...

Mail.ru: XSS via .eml file

сначала смотрим скриншот : XSS возможен через .eml вложения, уязвимо имя .eml файла, которое присваивается из названия Темы сообщения строка Subject в eml. JS отыграет на странице превью файлов https://e.mail.ru/attaches-viewer/?... шаги для воспроизведения пересылая письмо: -...

Internet Bug Bounty: Flash type confusion vulnerability leads to code execution

This bug was reported directly to Adobe. http://helpx.adobe.com/security/products/flash-player/apsb13-28.html...

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...

Mars: Html injection

The consultant identified that the show parameter can reflect into the HTML page. An attacker could have crafted a malicious query that resulted in the inclusion of attacker-controlled HTML elements on the web page, changing the content presented to users. The vulnerability was assessed to have a...

GitHub Security Lab: cpp: if (a+b>c) a=c-b is incorrect if a+b overflows

Vulnerability description not provided...

Automattic: Stored XSS on wordpress.com

A Stored XSS vulnerability was found on WordPress.com via app.crowdsignal.com. An attacker could execute malicious script code in the victim user's browser and redirect them to malicious sites by creating a poll with a specific payload and sharing the link on a WordPress post. The vulnerability w...

Cloudflare Public Bug Bounty: Privilege escalation to root in Pages build image v2

Vulnerability description not provided...

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...

Internet Bug Bounty: Open Redirect Vulnerability in Action Pack

An open redirect vulnerability was discovered in Action Pack, specifically in the redirectto helper function. This vulnerability allowed for the possibility of an attacker to craft a URL that could bypass the protection against open redirects introduced in Rails 7.0. The vulnerability was fixed i...

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...

U.S. Dept Of Defense: xss on reset password page

target:https://█████/Default.aspx?TabId=81&ctl=SendPassword&returnurl=%252fUOTSHelpDesk When a user goes on the forget password page and enters a username it is reflected onto the page. An attacker could simply enter a username like alert1 and it would execute an alert not to mention there is no...

U.S. Dept Of Defense: SQL injection at [https://█████████] [HtUS]

Hello, Summary while doing test on www.███ I’ve found that the endpoint at /olc/███comments/commentpost.php is vulnerable with SQL injection vulnerability Vulnerable parameters - staffstudent POC - using sqlmap run command jsx python3 sqlmap.py --level=5 --risk=3 --tamper=space2comment...

Internet Bug Bounty: Undici ProxyAgent vulnerable to MITM

Full GitHub advisory summarizing the issue is here: https://github.com/nodejs/undici/security/advisories/GHSA-pgw7-wx7w-2w33 The original Node.js HackerOne report is here: https://hackerone.com/bugs?reportid=1583680 This was fixed & disclosed in Undici v5.5.1. This primarily affects Undici, a...

Mail.ru: blog/wp-json/wp/v2/users FILE is enable it will used for bruteforce attack the admin panel at blog/wp-login.php

hello team, The file v2/users at https://happynumbers.com/blog/wp-json/wp/v2/users/ is enabled and this give the attacker many users names like admin adam Alexa Alina Danny David Fedor Olga to use them at https://happynumbers.com/blog/wp-login.php on BRUTE FORCE attack because no protection again...

UPchieve: Clickjacking ar https://hackers.upchieve.org/login

I found clickjacking at login page on https://hackers.upchieve.org that can be exploited if the UI overlay can be performed correctly by the attacker. Clickjack test page Website is vulnerable to clickjacking! Click me when you finish : Impact Its login page so if the UI overlay can be performed...

TikTok: Reflected XSS on TikTok Website

A cross-site scripting XSS vulnerability was found on TikTok.com via multiple parameters. We thank @homosec for reporting this to our team and confirming its resolution...

Shopify: Bypass a fix for report #708013

Summary: customerAccessTokenCreate mutation in the Storefront API does not correctly throttle login attempts. An issue in similar report https://hackerone.com/reports/708013 was already fixed, however, there is still a bypass. Steps To Reproduce: 1. Grab a Storefront API Token I got it from the B...

GitLab: Privilege escalation of "external user" (with maintainer privilege) to internal access through project token

Summary An "external user" a user account with the status external which is granted "Maintainer" role on any project on the GitLab instance where "project tokens" are allowed can elevate its privilege to "Internal". An external user with maintainer permissions could create a project token, which...

U.S. General Services Administration: Weak password policy leading to exposure of administrator account access

Hi, The login endpoint https://mysmartplans.gsa.gov/Marathon/Default.aspx is having weak password policy. During the recon, I came across a mysmartplans overview document http://www.accentimaging.com/accent/pdfs/Accent%20MySmartPlans.pdf . In this document few users are mentioned like - rick, ban...

GitLab: Cache poisoning Denial of Service affecting assets.gitlab-static.net

Summary Hi, Gitlab.com is hosting JS and CSS on https://assets.gitlab-static.net/ and uses them on gitlab.com/ The static files seem to be stored on a gcp host, which by default accepts the x-http-method-override header. Since the CDN is using Varnish to cache files, I was able to combine the GCP...

GitLab: Arbitrary file read during project import

NOTE! Thanks for submitting a report! Please replace all the parenthesized 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! Summary A mis-usage of json sche...

Mail.ru: [Plazius] SSRF через некорректно сконфигурированный Fiddler 46.148.201.206:10121

SSRF on ucs.ru...

U.S. General Services Administration: IDOR at training.smartpay.gsa.gov/reports/quizzes-taken-by-user

Hey, I found an IDOR that allow anyone view other user result by changing USERID parameter. /reports/quizzes-taken-by-user.csv/USERID Step to Produce: Go to the Section quizzes-taken-by-user as Shown in the Screenshot attached. Step 2: Click on Download CSV. Step 3 Intercept the Request using the...

Mail.ru: Reflected XSS https://tracker.my.com

Reflected XSS on tracker.my.com via GET parameter iconUrl...

Grammarly: Config override using non-validated query parameter allows at least reflected XSS by injecting configuration into state

Hi, First, I just want to say after spending a few days on your assets that I'm really impressed by the high security standard of the apps exposed. It has not been easy to find issues. I really like the way you've structured your API-routes in a way that almost eliminates a bunch of access issues...

Mail.ru: subdomain takeover disney.samokat.ru

Unused disney.samokat.ru subdomain was delegated to readymag.com and not claimed...

Ruby on Rails: HostAuthorization middleware does not suitably sanitize the Host / X-Forwarded-For header allowing redirection.

When a site is configured to use the .tkte.ch leading dot short form for domain name, ex: ruby config.hosts You are being redirected. Where the controller is simply: ruby class RedirectController ApplicationController def main redirectto action: 'main' end end The host header poisoning was report...

BugPoC: Reflected XSS at wacky.buggywebsite.com/frame.html

Summary: I solved that CTF to pop alert1 Steps To Reproduce: https://bugpoc.com/pocbp-HoQPW64U PoC ID: bp-HoQPW64U Password: AptBeAGlE03 Supporting Material/References: https://imgur.com/a/ZD7rOvH attachment / reference Impact General XSS impacts. Also, I mistakely used document.domain instead of...

TikTok: CSRF To Add New App In Developer Account And Bypassing Json Format

The researcher found a CSRF issue allowing a malicious user to add arbitrary applications to a developer's account...

Nextcloud: Possible denial of service when entering a loooong password

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. By sending a very long password 1.000.000 characters Usually this problem is caused by a vulnerable password hashing implementation. When a long password is sent, the...