Shopify: Stored XSS in SVG file as data: url

A stored XSS vulnerability was discovered in Shopify's rich text editor on July 24, 2021. Attackers were able to insert an XSS payload encoded in an SVG file using data: URLs. The vulnerability was fixed by preventing the conversion of data: URLs into blob: URLs...

h1-ctf: First CTF ever!

Pretext Started looking into hacking this autumn and then found out HackerOne was doing a Christmas themed CTF. Further investigation showed that the deplorable Grinch might be up to no good again - Christmas is in danger! TLDR Lots of hacking took place, the Grinch was stopped, Christmas saved a...

WordPress: CSRF on comment post

Hi Wordpress, I just found an CSRF on comment post. It allow attacker make victim comments on a post. Steps To Reproduce: Attacker send to victim a link with content below: history.pushState'', '', '/' Video poc: F891759 Impact Attacker make victim comments on a post...

h1-ctf: @shakedko H1-2006 CTF writeup

TL;DR Flag is: ^FLAG^736c635d8842751b8aafa556154eb9f3$FLAG$. Thank you for this awesome challenge! Introduction I have participated in this CTF as I wanted to see how far I'd be able to get considering the fact that I'm doing bug bounty for a relatively short time. Coming from the software...

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

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! I would like to report prototype poluti...

CompanyHub: No Rate Limit On forgot Password Leading To Massive Email Flooding

Summary: No rate limit check on forgot password which can lead to mass mailing and spamming of users and possible employees A little bit about Rate Limit: A rate limiting algorithm is used to check if the user session or IP-address has to be limited based on the information in the session cache. ...

Algolia: subdomain take over at recommendation.algolia.com

Description hello sir, your subdomain recommendation.algolia.com cname is recommendation.us and recommendation.us is for sell which can lead to subdomain take over steps to reproduce 1. check the cname of recommendation.algolia.com 2. see that the cname "recommendation.us" is for sell using looku...

TikTok: bypass two-factor authentication in Android apps and web

A vulnerability was found where a random timeout issue on a Two-Step Verification endpoint could have resulted in a potential bypass of authentication if multiple incorrect attempts were entered in quick succession. It was found that this vulnerability required access to the user's email/password...

Sifchain: Vulnerable for clickjacking attack

Summary: Hii Team, I know that I have reported to you outside of Scope. The report is related to the mentioned company and the vulnerability can endanger your business so I report this vulnerability to you. Clickjacking User Interface redress attack, UI redress attack, UI redressing is a maliciou...

Courier: Bypass Too Many Requests Sign Up

Courier makes a rate limit check before allowing a user to register; this rate limit check can be bypassed and a user account can be created by sending a request directly to the AWS Cognito API – which is not rate limited...

Mail.ru: Bypass OTP on contact back request at https://driver.city-mobil.ru/

It was possible to bypass phone verification for support call back request...

curl: Partial password leak over DNS on HTTP redirect

Summary: From version 7.62 curl and curllib leaks part of user credentials in the plain text DNS request. This happens if the server makes redirect, both 301 and 302 to a relative path eg header 'Location: /login'. It is NOT an issue in case of absolute redirection eg header 'Location:...

Staging.every.org: Flaw in Change Email https://youtu.be/MMvlcHIGs2A

See https://youtu.be/MMvlcHIGs2A...

Endless Group: Lets Encrypt Certificates affected by CAA Rechecking Incident

Summary: Lets encrypt released a statement regarding 3 million certificates being revoked due to a issue in the CA signing process, Looking at your subdomains it appears that you are affected by this incident. When the revoking occurs the certificates the certificates are no longer valid. This ma...

Mail.ru: [icq.im] Reflected XSS via chat invite link

Insufficient filtering in icq.im allowed reflected XSS via invite link...

PayPal: Token leak in security challenge flow allows retrieving victim's PayPal email and plain text password

A bug was identified whereby sensitive, unique tokens were being leaked in a JS file used by the recaptcha implementation. In certain cases, a user must solve a CAPTCHA challenge after authenticating. When the security challenge is completed, the authentication request is replayed to log in. The...

Open-Xchange: [XSS] content_disposition=inline in files

Hi. No filter for application/ when contentdisposition=inline PoC: - 1. Auth https://sandbox.open-xchange.com/ajax/share/021f28560fbe7d5b21f28d3fbe7d42379932c8eb965ee141/1/8/NTc/NTcvMzQ4 2. XSS...

Zomato: [www.zomato.com] IDOR - Gold Subscription Details, Able to view "Membership ID" and "Validity Details" of other Users

Hello Zomato, The following URL : https://www.zomato.com/gold/payment-success?subscriptionid=██████████&userid=█████████ is vulnerable to IDOR in subscriptionid field. Anyone can get Subscription Start & End Date and Plan Duration of a Membership ID just by changing the subscriptionid parameter...

HackerOne: Stealing contact form data on www.hackerone.com using Marketo Forms XSS with postMessage frame-jumping and jQuery-JSONP

Hi, I just discovered that there's a scenario where the Marketo Forms solution being used on www.hackerone.com can actually be abused, using a few fun techniques, to trigger an XSS in the Cross-Origin-iframe being used by Marketo. This results in eavesdropping of the data being sent in the...

Gratipay: PHP 5.4.45 is Outdated and Full of Preformance Interupting Arbitrary Code Execution Bugs

Your PHP version is affected by quite a few remote arbitrary code execution, remote file renaming, and remote file rewriting bugs that require no authentication and can cause big problems, from performance interruptions and messing with server files to DoS attacks. These are not related to any...

X (Formerly Twitter): HTTP Response Splitting (CRLF injection) in report_story

Hi, I would like to report a HTTP Response Splitting vulnerability in https://twitter.com/i/safety/reportstory that allows attackers to inject arbitrary headers and contents in the response. PoC:...

Internet Bug Bounty: CVE-2022-45402: Apache Airflow: Open redirect during login

In Apache Airflow versions prior to 2.4.3, there was an open redirect in the webserver's /login endpoint. my initial email to [email protected]: Hi, In Apache Airflow, there is a parameter "next" on the Login page. And after a successful login, we're redirected to this parameter's value. I see...

XVIDEOS: Script breaking tag (Forces website to render blank) (Informative)

Summary: This is a bug affecting core HTML and JS elements on the site via Search Steps To Reproduce: 1. Open https://www.xvideos.com 2. Click to search enter payload= "" without quotes 3. Hit enter or search, watch the page break and not load any content content is loaded in console, renders pag...

GitHub Security Lab: [Java] CWE-470: Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')

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

U.S. Dept Of Defense: Unauthenticated Arbitrary File Deletion ("CVE-2020-3187") in ████████

Description: A vulnerability in the interface of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to conduct directory traversal attacks and obtain read and delete access to sensitive files. Vulnerable...

Shopify: Password protection can be removed for newly created development store

Details Per https://help.shopify.com/en/partners/dashboard/managing-stores/development-storesthe-development-store-password-page, it states that the password can only be removed once the store has been transferred or switch to a paid plan. You can remove the password page only after you transfer...

Endless Group: XSS on https://fax.pbx.itsendless.org/ (CVE-2017-18024)

Summary: Hello Endless Hosting, I found an XSS on https://fax.pbx.itsendless.org/ . This domain running an AvantFax software 3.3.6 However, the exploit of CVE-2017-18024 for version 3.3.3 is working on that version. Here is the exploit code of CVE-2017-18024 history.pushState'', '', '/'...

Nextcloud: Denial of Service when entring an Array in email at seetings

in settings https://demo2.nextcloud.com/index.php/settings/users/TweLbFT93aqRnEfF/settings when you submit the request with email value Array the server return 500 Internal Server Error Poc video: F954435 Impact denial a service attack on the server. This may lead to the website becoming slow or...

Snapchat: Leaked JFrog Artifactory username and password exposed on GitHub - https://snapchat.jfrog.io

Researcher found valid jFrog credentials which were committed to a public Github repository of a Snap employee. This allowed access to internal Snap libraries/artifacts along with the ability to push updates to existing artifacts as well...

Shopify: Able to Takeover Merchants Accounts Even They Have Already Setup SSO, After Bypassing the Email Confirmation

Able to Takeover Merchants Accounts Even They Have Already Setup SSO, After Bypassing the Email Confirmation Summary This report is based on the scenario that email confirmation has been bypassed already, like shown in 791775. What happened in 791775 was, I was too excited and didn't take a step...

Starbucks: Account take over of 'light' starbuckscardb2b users

This issue was found on https://www.starbuckscardb2b.com, this website belongs to starbucks and its is a critical vulnerability so I am reporting this. Issue: An attacker can takeover the account of the victim by creating a new account by using victim's who is already registered email address...

Stripo Inc: Bypass email verification and create email template with the editor

Description : The main goal to use the Stripo is to create an email templates with the editor that is available in the account. And you're not allowed to open it until you validate your email address. But by modifying the response , i was able to bypass the email verification. Steps To Reproduce:...

Rocket.Chat: XSS (leads to arbitrary file read in Rocket.Chat-Desktop)

Description: Rocket.Chat allows administrative users to customize the home body. Since tags are removed, I think that running scripts should not be allowed. However, event handlers are not removed, allowing you to inject your own scripts. Releases Affected: Rocket.Chat-Desktop-Client: v2.15.5...

Mail.ru: Disable 2FA via CSRF (Leads to 2FA Bypass)

CSRF vulnerability in pandao.ru allowed to disable 2FA. pandao.ru belongs to extended scope...

New Relic: Insecure Infrastructure Integrations YML Loading leads to Windows Privilege Escalation

After installing the Windows Infrastructure client as discussed in https://docs.newrelic.com/docs/infrastructure/new-relic-infrastructure/installation/install-infrastructure-windows-server I noticed that integration yml config files are not only loaded from the folder within Program Files, but al...

Uber: Reflected XSS on multiple uberinternal.com domains

The base parameter of /oidauth/prompt on multiple uberinternal.com subdomains was not sanitized before being reflected into the page body, making it vulnerable to reflected XSS. Additionally, these pages were affected by a clickjacking vulnerability that made exploitation easier, since a click wa...

Gratipay: clickjacking on https://gratipay.com/on/npm/[text]

hi team .. i found clickjacking URL on https://gratipay.com/on/npm/here this clickjacking must be 3 characturs and must be 5 number this entered endpoint of URL .. please fixed soon https://gratipay.com/on/npm/text step respond 1- go to https://gratipay.com/on/npm/text 2 - check name or number...

Trello: Unpatched (https://hackerone.com/reports/221928)- Unviladate File Upload to XSS on trello-attachment Bucket

Report no: https://hackerone.com/reports/221928 is unpatched. Poc: https://trello-attachments.s3.amazonaws.com/59663070a9025afc4b32c7c6/596641e05abfc29b1bd67ff8/9c5258c6acf27ffdf5e80d5bfabbb83b/lol.svg XSS Link...

Pornhub: Reflected cross-site scripting (XSS) vulnerability in pornhub.com allows attackers to inject arbitrary web script or HTML.

The researcher discovered a reflected cross-site scripting vulnerability on the users' page. Short Description --- I managed to bypass the fix to ZephrFish's report by encoding the = symbol %3D. Therefore, pornhub.com was still vulnerable to reflected XSS, a form of client-side code injection...

HackerOne: Business Logic error leads to bypass 2FA requirement

Vulnerability description not provided...

Krisp: Visibility Robots.txt file

Issue detail:- The web server contains a robots.txt file. Issue background:- The file robots.txt is used to give instructions to web robots, such as search engine crawlers, about locations within the web site that robots are allowed, or not allowed, to crawl and index. The presence of the...

Zivver: ADB Backup is enabled within AndroidManifest

In this report, it was highlighted that the ADB backup feature enabled in the Android application could be used by an attacker with physical access to the victim's device to 'migrate' data from app storage on the phone and later possibly extract secrets from that backup. For this attack to succee...

GitHub Security Lab: [Java] CWE-348: Use of less trusted source

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

Doppler VDP: No rate limit into email change leads to email notification boombing to its victim.

hello team, I have tested your application and found no any rate limit into password changing mechanism which allow attacker to send unlimited number of email notification to his victim, Basically in every part of your application has implemented rate limit block system but email changing area do...

Visma Public: Ability to delete projects from Archived companies (Read only version)

The researcher discovered that Projects can be deleted from Archived companies which have "read only version".It was assessed as Low impact...

BTFS: frame injection on bittorrent.com

Hi team, headers.php is injectable. you can see on IE browsers. FULL URL : https://www.bittorrent.com/scripts/site/headers.php?=1586521900793&callback=%3ciframe%20src%3d%22http%3a%2f%2fgoogle.com%2f%3f%22%3e%3c%2fiframe%3e Impact fix them...

Monero: Exploiting Network and Timing Side-Channels to Break Monero Receiver Anonymity

Summary: We present various examples of side-channel leakage in the communication between a Monero wallet and P2P node. Communication patterns and timing leak whether the wallet is the payee of a transaction that is sent into the transaction pool or mined in a block—thereby breaking transaction...

Node.js third-party modules: [anywhere] An iframe element with url to malicious HTML file (with eg. JavaScript malware) can be used as filename and served via anywhere

Hi Guys, anywhere allows to embed HTML in file names, which in certain conditions might lead to execute malicious JavaScript. Module: Running static file server anywhere. https://www.npmjs.com/package/anywhere Description To embed malicious tag with JavaScript code to execute, / character is...

Starbucks: Time-based Blind SQLi on news.starbucks.com

Hi, I just found that the post parameter "groupid" for a particularly crafted http request is being vulnerable to injection due to missing parameter sanitization. PoC: POST / HTTP/1.1 Host: news.starbucks.com Connection: close Content-Length: 81 Cache-Control: max-age=0 Origin:...

Internet Bug Bounty: Rails ActionView sanitize helper bypass leading to XSS using SVG tag.

Loofah versions between 2.1.0 and 2.19.1 were vulnerable to a cross-site scripting XSS attack via the image/svg+xml media type in data URIs. This allowed an attacker to bypass HTML sanitization and execute malicious code. The vulnerability was mitigated by upgrading to Loofah version 2.19.1 or...