On : No Rate Limit in Login Page

The login page of the website did not have a rate limit implemented, allowing an attacker to perform brute force attacks by trying multiple login attempts without being restricted...

U.S. Dept Of Defense: XSS on ███

Hi , I found XSS on ██████████ IP Enumeration ████ go to https://███/+CSCOE+/logon.html?a0=15&a1=&a2=&a3=1 intercept the request by burp suite and send it to repeater then edit the request to be like this GET /+CSCOE+/saml/sp/acs?tgname=a HTTP/1.1 Host: ██████████ User-Agent: Mozilla/5.0 Windows ...

GitHub Security Lab: Python: Add support of clickhouse-driver package

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

Internet Bug Bounty: "urllib" will result to deny of service

if a client request a http/https/ftp service which is controlled by attacker, attacker can make this client hang forever, event client has set "timeout" argument. maybe this client also will consume more and more memory. i does not test on this conclusion. client.py import urllib.request req =...

Rocket.Chat: Post-Auth Stored XSS with User Interaction leads to Remote Code Execution

Summary: Unsafe usage of the toastr library leads to Stored XSS when combined with a validation bypass in the createRoom function. Targeting an admin account leads to Remote Code Execution. Description: The frontend uses the toastr library to display error messages to the user. However, it is use...

Shopify: [h1-2102] HTML injection in packing slips can lead to physical theft

Summary: A HTML injection vulnerability exists in the packing slip generator, allowing customers to alter the logistical process of their and other's orders for shops that choose to display the user's e-mail address on the packing slip. The success rate depends on the shops setup and can result i...

Snapchat: CSRF when unlocking lenses leads to lenses being forcefully installed without user interaction

Hi, The url below allows a user to unlock a particular lens. Once they have opened the URL on their phone, Snapchat opens up and prompts the user to unlock this lens. https://www.snapchat.com/unlock/?type=SNAPCODE&uuid=6ff5a565fca249a1948b1963ee2881b4&metadata=01 By changing the value of type in...

Internet Bug Bounty: Buffer overflow in PyCArg_repr in _ctypes/callproc.c for Python 3.x to 3.9.1

TL;DR Description Python 3.x through 3.9.1 has a buffer overflow in PyCArgrepr in ctypes/callproc.c, which may lead to remote code execution in certain Python applications that accept floating-point numbers as untrusted input, as demonstrated by a 1e300 argument to cdouble.fromparam. This occurs...

Topcoder: IDOR at https://fast.trychameleon.com/observe/v2/profiles/ via uid parameter discloses users' PII data

Summary: Hello, A API on apps.topcoder.com/forums/ exposes the email of any user on topcoder.com and some PIIs name, surname, id. Steps To Reproduce: 1 Create a profile at topcoder.com 2 Go to apps.topcoder.com/forums and login forum 3 Entery any topic example:...

TikTok: RCE on TikTok Ads Portal

The video upload endpoint on the TikTok Ads portal was potentially susceptible to remote code execution RCE due to a ffmpeg misconfiguration. We thank @ bubbounty for reporting this to our team and confirming the resolution. During my research on the TikTok Ads portal I found a RCE thought the...

U.S. Dept Of Defense: CSRF to Stored HTML injection at https://www.█████

Description: I have found out that on the https://www.███████ domain, you initiate POST request in order to look up for case studies, the parameter keyword on the request, allows the usage of bad characters such as Click here to win 1000$!" 3. Save the POST request and craft CSRF payload. HTML...

Basecamp: DNS Setup allows sending mail on behalf of other customers

Sent on your behalf I knew basecamp themselves had used helpscout for support, so I was curious to see if hey was doing the same. A quick DNS lookup gave me the answer I was looking for: dig hey.com txt ; DiG 9.10.6 hey.com txt ;; global options: +cmd ;; Got answer: ;; -HEADER DiG 9.10.6...

BlockDev Sp. Z o.o: A specially crafted value for the 'Cache-Digest' header causing crash in chat.makerdao.com

A specially crafted value for the 'Cache-Digest' header causing crash...

Helium: HTTP request Smuggling

When malformed or abnormal HTTP requests are interpreted by one or more entities in the data flow between the user and the web server, such as a proxy or firewall, they can be interpreted inconsistently, allowing the attacker to "smuggle" a request to one device without the other device being awa...

Open-Xchange: Pre-auth buffer over-read in Dovecot NTLM implementation

Hi, Dovecot security team. I am Orange from DEVCORE security team. We just did a little security audit on the authentication mechanism of Dovecot, and found a buffer over-read in NTLM implementation. The structure of NTLM field is defined in ntlm-types.h c struct ntlmsspbuffer uint16t length; /...

U.S. Dept Of Defense: CSRF Account Deletion on ███ Website

Summary: A CSRF vulnerability against the ███████ allows attackers to delete user accounts. Impact Users who visit a malicious website could find their ████████ account deleted. Step-by-step Reproduction Instructions 1. Create and login to a new account on the ██████ 2. Open the provided HTML fil...

Semrush: IDOR in the https://market.semrush.com/

Insecure direct object references in marketplace due to a length restrictions in chosen hashing function...

Node.js: napi_get_value_string_X allow various kinds of memory corruption

Summary: napigetvaluestringlatin1, napigetvaluestringutf8, napigetvaluestringutf16 are vulnerable to buffer overflows, partially due to an integer underflow. Description: napigetvaluestringlatin1, napigetvaluestringutf8, and napigetvaluestringutf16 behave like this: 1. If the output pointer is...

8x8 Bounty: Reflected xss on 8x8.vc

A reflected cross-site scripting issue was discovered within the account setup workflow of 8x8.vc...

Tron Foundation: Private Key exposed in Travis Log can Compromise all the test servers.

REQUIRED: 1. Summary of the bug Summary: Private key is printed in Travis Console log https://travis-ci.org/tronprotocol/java-tron/builds/361945077L4101 Github provides information of test servers https://github.com/tronprotocol/java-tron/blob/24575f0d835b00850b89c620e276fb61c791508d/deploy.sh...

Cuvva: Unclaimed facebook page at www.cuvva.com/about

Description: Hello sir, while I was surfing your website I found unclaimed facebook page at www.cuvva.com/about F503171 when you click this button you will be redirected to https://www.facebook.com/getcuvvad which was unclaimed but I claimed it as poc steps to reproduce: 1. go to...

Cuvva: Clickjacking in ops.cuvva.com

Hi, Description: Clickjacking User Interface redress attack, UI redress attack, UI redressing is a malicious technique of tricking a Web user into clicking on something different from what the user perceives they are clicking on, thus potentially revealing confidential information or taking contr...

50m-ctf: CTF write-up: c8889970d9fb722066f31e804e351993

So the CTF starts with this tweet. F434370 The first image is about the 50 million in bounties but the second one looks related to the CTF. The first thing that comes to mind when relating CTFs and images is "steganography". Using the all purpose steg tool zsteg as our first resort, we discover...

Monero: Zero-amount miner TX + RingCT allows monero wallet to receive arbitrary amount of monero

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: By mining a...

X (Formerly Twitter): url that twitter mobile site can not load

Summary: A url that twitter mobile site can not load, crushes any page containing this url Description: Invalid hex characters crushes twitter mobile site as example go to https://mobile.twitter.com/?%xx twitter won't load. 1 Sending such url on a direct message, twitter will no longer be able to...

Internet Bug Bounty: null pointer dereference in imap_mail

in imapmail if message args is null, in phpimapmail no check wheater message can get, so crash. fprintfsendmail, "\n%s\n", message; /usr/local/php/bin/php ./craxxx.php Warning: imapmail: No message string in mail command in /home/fan/github/php-7.2.10/myselffuzz/craxxx.php on line 3 sh: 1: -t: no...

GitLab: CRLF injection & SSRF in git:// protocal lead to arbitrary code execution

Summary: The implementation of git:// protocal in GitLab is vulnerable to CRLF injection and Server-Side Request Forgery. If the redis server is configured to listen on TCP socket eg. port 6379, an attacker can abuse SSRF to manipulate redis server, injecting malicious payload into systemhookpush...

Khan Academy: POST XSS in https://www.khanacademy.org.tr/ via page_search_query parameter

Hey there, while testing your program I came across a XSS vulnerability in the search area of your website. The vector uses HTTP POST request and the parameter is "pagesearchquery"" on www.khanacademy.org.tr/arama.asp In the next topics I will demonstrate how you can reproduce the vulnerability...

Starbucks: svcardproxydevus.starbucks.com Subdomain take over

You have left a dns record pointing to a dead cloudapp vm. svcardproxydevus.starbucks.com - s00307ntmp0svcardproxydev0.trafficmanager.net - s00307dpipsvcardproxy00.eastus.cloudapp.azure.com = Dead Impact 1 Attacker takes over subdomain and then puts something like porn or something that shouldn't...

HackerOne: Hacktivity of a private program visible to banned user if he gets invited to a program by hackbot

Summary: The hacktivity of a private program is visible to banned user if he gets invited to a program by hackbot. Description: Back in 2016 i was banned by █████'s private program ███ due to some conflict between me and their security team, i think they manually put me in banned users list, but...

Shopify: Self-XSS in password reset functionality

Hi, When I opened this domain of yours, https://accounts.shopify.com/password-reset/new I just put the following text into email address box, [email protected] it change the colour of the text. Well my point here is that if you could inject HTML, you might be able to add a tag to the page. I...

AlienVault : DOM Based XSS in https://threatcrowd.org

Hello AlienVault security team, I found a DOM Based XSS in https://threatcrowd.org via report function. Proof of Concept Steps to reproduce: 1. https://threatcrowd.org/report.php?report= 2. Fill in with this payload: javascript:promptdocument.domain 3. Send link to victim, when victim click in to...

Legal Robot: Profile shows incorrect account creation date

Hi Team, I get to know that you are using showing joined time. it's contain design issue. I think that you show for once user login in to their account and it should show from howmany minutes that user logged in? but i can see here a design issue, is that whenever we refresh page...

Snapchat: Open prod Jenkins instance

@prebenve found a Jenkins instance where they could login with any valid Google account. Once logged in, they gained access to sensitive API tokens. The access also included some source code disclosure for public apps and the ability to execute arbitrary code via the Jenkins Script Console...

Ubiquiti Inc.: XSS via SVG file

Hello Ubuquiti, Details I was able to upload an svg file to here. so i uploaded an SVG file with XSS on its code and if the attacker give the link to his victim he can grab it's victim's cookie. and regarding to the your Upload image svg file it uploaded even it has an error.. PoC link F167791 Fi...

Boozt Fashion AB: Email spoofing at booztlet.com

Hello : This There is an Email Spoofing Vulnerability. Steps to reproduce: 1 Go to http://emkei.cz/ 2 Fill "From Email" field to [email protected] or any other booztlet email. 3 Fill the victim's address your address to "TO" field and fill in other details as you wish. You will receive email fro...

PortSwigger Web Security: HTTP OPTION Method is Enabled on portswigger.net

Enabled OPTION method on web server allows unauthorized blind submission of privileged GET requests...

Internet Bug Bounty: Cross-protocol attack on TLS using SSLv2 (DROWN) (CVE-2016-0800)

General DROWN was responsibly disclosed to the OpenSSL team prior to the public disclosure. This OpenSSL blog post, by Viktor Dukhovni and Emilia Käsper, describes the vulnerability: https://www.openssl.org/blog/blog/2016/03/01/an-openssl-users-guide-to-drown/ This is probably a good opportunity ...

Nextcloud: \OCA\DAV\CardDAV\ImageExportPlugin allows serving arbitrary data with user-defined or empty mimetype

The SabreDAV plugin \OCA\DAV\CardDAV\ImageExportPlugin is used for displaying pictures of a VCF. It registers on a GET request on a CardDAV element and acts when the query parameter photo is sent. The logic can be seen below: / Intercepts GET requests on addressbook urls ending with ?photo. @para...

Internet Bug Bounty: ntpd: read_mru_list() does inadequate incoming packet checks

Summary: If ntpd is configured to allow mrulist query requests from a server that sends a crafted malicious packet, ntpd will crash on receipt of that crafted malicious mrulist query packet. Mitigation: - Only allow mrulist query packets from trusted hosts. - Implement BCP-38. - Upgrade to 4.2.8p...

Informatica: [marketplace.informatica.com] - XXE

Request: POST /services/v2/rest/wall/new/count HTTP/1.1 Host: marketplace.informatica.com Connection: keep-alive Content-Length: 249 Accept: application/json, text/javascript, / X-J-Token: no-user X-Requested-With: XMLHttpRequest User-Agent: Mozilla/5.0 Windows NT 6.3; WOW64 AppleWebKit/537.36...

Internet Bug Bounty: Integer overflow in unserialize() (32-bits only)

https://bugs.php.net/bug.php?id=68044...

Shopify: XSS on ecommerce.shopify.com

Hello! I would like to report about XSS on ecommerce.shopify.com domain. Here is a PoC that gives You alert box with "123" content: https://ecommerce.shopify.com/grader?url=imdb.jurgens.lv This Ecommerce Store Grader Tool gives You a list of sources of image tags that should have "alt" attribute ...

Eobot: Multiple information disclosure

This script can help hackers check leaked email bases on registration with eobot without ban and etc.. https://www.eobot.com/[email protected] email disclosure in google google dork: site:eobot.com inurl:"widget.aspx" in result we see requests with email of your users...

WePay: CSRF & Nonce Token Weak Implementation

Hello, this report is a copy of my previous reports sent to your email [email protected] some days ago. Please note that everything written below are copied and pasted from the report. Ticket 437212 : As part of your responsible disclosure program, I am reporting this leakage weak implementation...

IRCCloud: "SESSION" Cookie without HttpOnly flag set

Vulnerability description This cookie does not have the HTTPOnly flag set. When a cookie is set with the HTTPOnly flag, it instructs the browser that the cookie can only be accessed by the server and not by client-side scripts. This is an important security protection for session cookies. This...

PortSwigger Web Security: Burp Suite Professional: browser-powered crawl can write attacker-controlled files through file input handling

A vulnerability was discovered in Burp Suite Professional 2026.3.3 on Windows. When Burp Scanner's browser-powered crawler crawled an attacker-controlled website, the website could force Burp to write an attacker-controlled file to an attacker-controlled local path. The issue was caused by Burp's...

Shopify: admin.shopify.com: Shopify Flow continues sending internal emails to a configured recipient after the staff author is removed

Summary: A staff user removed from a Shopify store continues to receive customer Personally Identifiable Information PII via a previously created automation workflow. The workflow, configured using Shopify Flow, continues executing after the user's access has been revoked and sends sensitive...

Rocket.Chat: SSRF via Improper Redirect Validation in Rocket.Chat oEmbed Function

A vulnerability was discovered in Rocket.Chat version 7.10.1 where the oEmbed feature did not properly validate redirected URLs. This allowed an attacker to bypass SSRF protections and access internal network resources that would otherwise be unreachable...

Automattic: Authentication & Registration Bypass in Newspack Extended Access

The Newspack Extended Access plugin failed to validate the JWT signing on the registration and login JSON endpoint. This allowed for the registration of accounts with arbitrary user-supplied details and authentication bypass if a target account email was known...