HackerOne: HackerOne Support System Doesn't Require Any Authentication May Lead Unauthorized Action

The HackerOne support system did not require any authentication, allowing anyone to open a support ticket for another user's account. This could potentially lead to unauthorized actions being taken on the account...

inDrive: #3 XSS on watchdocs.indriverapp.com

A cross-site scripting XSS vulnerability was discovered on the watchdocs.indriverapp.com website. The vulnerability allowed an attacker to execute arbitrary JavaScript code in the victim's browser by injecting malicious input into the URL parameters...

Omise: Subdomain takeover http://accessday.opn.ooo/

Vulnerability description not provided...

Nextcloud: Twitter Account hijack @nextcloudfrance

The Twitter account of Nextcloud France was vulnerable to Broken Link Hijacking BLH attack, which occurs when attackers exploit expired external links on credible websites or web applications. The attackers took over the expired link and claimed the username for testing purposes, redirecting user...

U.S. Dept Of Defense: Reflected XSS in ██████████

A reflected XSS vulnerability was found on one of the subdomains of a website. The vulnerability was present in the "militarybranch" parameter of the "NextRequestAccount.action" page. An attacker could exploit this vulnerability to execute XSS attacks and steal user's cookies, launch phishing...

Nextcloud: Basic auth header on WebDAV requests is not bruteforce protected

A basic authentication bypass vulnerability was discovered on WebDAV requests, due to a lack of rate limit protection. Attackers could brute force the password and gain full account takeover. The vulnerability was reported and fixed...

Yelp: Public Github Repo Leaking Internal Credentials

Summary: In Github I found some credentials to use in a mesos.apache.org Github: https://github.com/Yelp/Tron/blob/master/yelppackage/itestdockerfiles/mesos/mesos-secrets https://github.com/Yelp/Tron/blob/master/yelppackage/itestdockerfiles/mesos/mesos-slave-secret POC ss F2021070 F2021071 Login...

GitHub: Github app Privilege Escalation to Administrator/Owner of the Organization

Vulnerability description not provided...

Cloudflare Public Bug Bounty: Basic XSS [WAF Bypasses]

Vulnerability description not provided...

Exodus: 2 Cache Poisoning Attack Methods Affect Core Functionality www.exodus.com

Summary: www.exodus.com hosts static js and css files on Server: cloudflare . Which is cached by cloudflare and passed to all other users accessing the source. I was able to impact the core functionality by using a custom HTTP. Here are 2 details of the Bug. Steps To Reproduce: 1. 501 Not...

TikTok: disclosure the live_analytics information of any livestream.

A possible disclosure of the liveanalytics information for any livestream was found by accessing the roomid parameter via devtools. We thank @datph4m for reporting this to our team...

TikTok: Email address disclosure via invite token validatiion

The possibility of email address disclosure was found on a Business.TikTok.com endpoint as no rate limit was implemented on the invite token. We thank @noobbutcut3 for reporting this to our team...

TikTok: CSRF protection bypass on TikTok Webcast Endpoints

Vulnerability description not provided...

GitHub Security Lab: [Java]: CWE-200 - Query to detect insecure WebResourceResponse implementation

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

Evernote: Reflected XSS in the shared note view on https://evernote.com

Summary: There is a reflected XSS vulnerability on https://evernote.com, in the shared web note view, triggered through the view and ionUrl parameters of the /shard/sSHARDNUMBER/client/snv endpoint. Description: When a user creates a note and shares it, it is stored in the following endpoint, bei...

Recorded Future: Dom Xss vulnerability

Summary: Dom Xss vulnerability Steps To Reproduce: add details for how we can reproduce the issue 1. Go to this link: https://api.recordedfuture.com/index.html 2. Open chrome devtool and go to console tab 3. Type: document.write'...alert1...'; 4. And boom! Alert 1! Impact XSS can have huge...

Lark Technologies: Full read SSRF via Lark Docs `import as docs` feature

A SSRF server side request forgery vulnerability was found in the LarkDocs using the "import as docs" feature, which could have potentially been used to access services running on the internal network. We thank @sirleeroyjenkins for reporting this to our team and confirming the resolution...

U.S. Dept Of Defense: Rxss on █████████ via logout?service=javascript:alert(1)

Description: I found open redirect and xss Rxss at the ██████████ logout page, https://████/██████████/logout?service=https://google.com It also allows javascript URIs, leading to Xss Impact Attacker can trick users to visit malicious websites or can lead to phishing and many other type of attack...

UPchieve: CORS origin validation failure

Hi team, I hope you are doing well on the other side. Summary: I found that https://hackers.upchieve.org/ is using cross-origin resource sharing in an insecure way. The web application fails to properly validate the Origin header and returns the header Access-Control-Allow-Credentials: true. This...

Nextcloud: Control character filtering misses leading and trailing whitespace in file and folder names

Summary: It is possible to create files and folders that have leading and trailing \n, \r, \t, and \v characters. The server rejects files and folders that have these characters in the middle of their names, so this might be an opportunity for injection. In lib/private/Files/Storage/Common.php, t...

GitLab: IDOR in "external status check" API leaks data about any status check on the instance

Summary The API endpoint for returning approval from an external status check contains an IDOR that lets a user list information about all external status checks on the GitLab instance. The feature is an Ultimate feature, but can be accessed by starting an Ultimate trial on GitLab.com. So the...

Mail.ru: Subdomain Takeover

Hi team, Actually team this bug is similar to my previous bug which I submitted-██████ Issue details:- Subdomain takeover vulnerabilities occur when a subdomain subdomain.example.com is pointing to a service e.g. GitHub pages, Heroku, etc. that has been removed or deleted. This allows an attacker...

Shopify: A non-privileged user may create an admin account in Stocky

Summary: A non-privileged Stocky user created within Stocky may be able to create a new admin user. Steps to reproduce: 1.Create a non-privileged user in Stocky, don't give admin privileges to that user. 2.Login with the non-privileged user and go to https://stocky.shopifyapps.com/users/me, updat...

Mail.ru: Stored XSS on top.mail.ru

Stored XSS via incorrect handling of http page headers on top.mail.ru at created counters...

Mail.ru: Unauthorized Access To Admin panel

Access to static files of playerone.ru admin web interface was not sufficiently restricted. There was no possibility to access admin functions. Simple Bypass: Try access playerone.ru/admin/users/ 403 : host playerone.ru 127.0.0.1 Try again 127.0.0.1/admin/users 200 OK :...

Aiven Ltd: Grafana RCE via SMTP server parameter injection

Summary: This report is similar to 1180653, except with different parameter injection entrypoint. SMTP server password configuration setting accepts new line characters. This can be used to set non-exported configuration variables. Using this CRLF-injection, the renderingargs of grafana image...

Nextcloud: Attacker can obtain write access to any federated share/public link

Hi mates, I stumbled across this with public links. But the same holds true for any federated share. I will try to describe the link scenario. At first I thought there were more steps and resharing was involved. But it really is very simples: 1. An attacker obtains a public link again plenty of...

Shopify: No Session Expiry after log-out, attacker can reuse the old cookies

The session fixation vulnerability allowed an attacker to reuse old session cookies to log in to a victim's account on the Exchange Marketplace, even after the victim had logged out. The service has been decommissioned, and the issue has been resolved...

HackerOne: New link opening method makes hackerone vulnerable to tabnabbing

Summary: Hackerone recently changed how it opens the external links and this new way is vulnerable to tabnabbing. Description: Please see the POC. Steps To Reproduce 1. Click here: https://awasthi7.github.io/ 2. Click on proceed when warning appears. 3. The site will open in new tab and hackerone...

Moneybird: No rate Limit

Mailing to our support team using the support center in the application was improperly rate limited. There is now a better rate limiter in place...

Nextcloud: Leak arbitrary file under nextcloud android client privacy directory

Steps to reproduce: 1.install and login nextcloud android client 2.create a directory and set it 'shareable' 3.install the poc app "setresultcontactphotocrop" key code: EvilActivity public class EvilActivity extends AppCompatActivity final static String PRIVATEURI =...

BlockFi: credentials found in config file on github

Summary: Hi, credentials belonging to blockfi.com was found exposed on github, these credentials can lead to attackers gaining access into the network and stealing information and destroying servers Steps To Reproduce:...

HackerOne: Hackers can find out the ID of private programs

Summary: Hi team, Our team noticed that it is possible to find out the IDs of sandbox programs. This allows us to create a list, thereby determining that the rest of the list of IDs will belong to private programs or public or external programdirectory listing. But by removing ID all public and...

CS Money: Blind Based SQL Injection in 3d.sc.money

Greetings, Hope Y'all good and fine! Summary: I found a Boolean Blind based SQL Injection in your website = 3d.cs.money It's a URI path injection. The vulnerability tested on the Original IP behind the CloudflareWAF and I've already reported this in my other report 1105673 The Affected URI :...

LY Corporation: Webview address bar spoofing in LINE client for iOS

When navigation to an invalid hostname occurs, the address bar is updated even though the navigation is cancelled. Due to this incorrect timing of updating the address bar and applying URL normalization, it can be recognized as a different hostname from the actual hostname. As a result, attacker...

Mail.ru: SDC bypass on calendar.mail.ru

SDCS cookie was not properly checked for few calendar.mail.ru endpoints, allowing to bypass SDC secure domain cookies protection for privilege separation between projects...

RBKmoney: Apple Pay cryptogram replay and amount tampering

During Apple Pay in-app or on-site payments the device generates a payment cryptogram, which contains a transaction ID, encrypted payment data, etc. This is an example of the cryptogram which the phone passes to the internet acquiring service on api.transferwise.com: "token": "paymentData":...

Shopify: Privilege Escalation in Point Of Sale Application from POS Manage Staff Role to potentially Store Owner

I was playing a bit with the Point Of Sale application and it came to my attention that it is possible to navigate from the Point Of Sale Application up to the Plan & Permission in the admin. I am not sure if this is intentional, but since it leads to potentially take over a shop, I'm reporting i...

ExpressionEngine: SQL injection at /admin.php?/cp/members/create

SQL injection vulnerability in the control panel. This is limited to users who have access to the control panel, and the ability to create members...

Kubernetes: secret leaks in vsphere cloud controller manager log

Report Submission Form Summary: When create k8s cluster over vsphere and enable vsphere as cloud provider. With logging level set to 4 or above, secret information will be printed out in the cloud controller manager's log. Kubernetes Version: 1.18.6 Component Version: legacy cloud provider Steps ...

Omise: Authenticity token doesnt expire after single use leading to CSRF

Summary Once you said that you ruby framework for making the authenticity-token which acts as a CSRF protection. You also send me this as to help me understand https://medium.com/rubyinside/a-deep-dive-into-csrf-protection-in-rails-19fa0a42c0ef . After finding i found that an authenticity-token c...

Acronis: Missing rate limit for current password field (Password Change) Account Takeover

Vulnerability: Missing Rate Limit for Current Password field Password Change Account Takeover Steps to reproduce the bug: 1Go to Profile Password. Enter any wrong password In current password filed. 2Now enter the new password and Turn the Intercept ON. 3Capture the request & Send the request to...

HackerOne: Attacker may be able to bounce enough emails which suspend HackerOne's SES service and cause a DoS of HackerOne's email service

This was a DoS based on triggering a lot of bounced emails via SES service which could put our email sending up for review with AWS. The vulnerability was due to unrestricted invitations on sandbox programs which allowed an attacker to generate an infinite number of bounced emails. We had applied...

Node.js third-party modules: [Limited bypass of #793704] Blind SSRF in Ghost CMS

Blind SSRF vulnerability in Ghost allows for internal port scanning, or reading oembed contents from internal network...

Visma Public: Able to continue user creation process after deleting the HTML element that shows the message that the session is closed

Summary: Able to continue user creation process and successfully submit the user creation form after deleting the HTML element that shows the message that the session is closed after signing out in different tab from same browser. Steps To Reproduce: 1. Login to...

Internet Bug Bounty: Squid as reverse proxy RCE and data leak

Summary: This was a very difficult experience as Squid maintainers took a long time to answer. I tried getting help from HackerOne support, Dropbox support and the Internet Bug Bounty never e-mailed me back to no avail. What could have taken a few days took months. The vulnerability concerns a...

Rocket.Chat: API Keys Hardcoded in Github repository

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 verify and then potentially issue a bounty, so be sure to take your time filling out the report! Summary: API Keys is ha...

Node.js: Remotely trigger an assertion on a TLS server with a malformed certificate string

Summary: Connecting to a NodeJS TLS server with a client certificate that has a type 19 string in its subjectAltName will crash the TLS server if it tries to read the peer certificate. Affected versions include v10.17.0 and v13.1.0. This is related to issue...

Railto LLC: Administrator access to staging.railto.com

Summary: Hey team, While doing some recon for railto sub-domains. i came across a most critical bug which lets me complete access of https://staging.railto.com. i can add anything and removing anythings as i got the ADMIN level privilege. Steps 1. Go to https://staging.railto.com/admin url. 2. Se...

Brave Software: [Brave browser] WebTorrent has DNS rebinding vulnerability

Summary: Brave browser has built-in WebTorrent extension. After it finishes downloading a torrent, it serves the downloaded files on a local HTTP server listening on a random port. The problem is that the local HTTP server doesn't check for the hostname of the requesters, so a malicious remote...