FetLife: Able to access private picture/video/writing when requesting for their JSON response

Description Endpoint https://fetlife.com/users/user-id/pictures/pic-id has 2 types of responses, HTML and JSON. The type of response depends on Accept header of request it get. If request contains Accept: application/json, then it will return JSON response. Other than that, it returns HTML...

U.S. Dept Of Defense: Sensitive information on ██████████

Hi team, i found a sensitive file hosted on '████' that i think must be not public accessible due to the wording "████████" Vulnerable Endpoint: https://██████ █████████ Regards Impact Sensitive information pubblicy accessible System Hosts ██████████ Affected Products and Versions CVE Numbers Ste...

Weblate: No rate Limit on Add new Translation Project

Attacker able to create unlimited Translation projects which lead to no more project name for the users who wanted to create new project on hosted.weblate.org Below is the POC video which ,you can go through Impact Other users cant use the project names there wanted and attacker can occupy space...

Shopify: Stored XSS on apps.shopify.com

Steps to reProduce: 1 Write payload luc1d"@wearehackerone.com as Store contact email in General Settings page.myshopify.com/admin/settings/general F1202181 -- Wait here around 60 mins maybe more idk, it was 60 mins for me for the change to reflect -- You can confirm the change on here...

Basecamp: Bypass of image rewriting / tracking blocker via srcset

CVSS ---- Medium 4.7 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N Description ----------- One of the security features of Hey is blocking of tracking pixels to preserve users privacy. As such, img tags and similar are rewritten by the app to point to gopher.hey.com. However, an attacker can bypas...

Mail.ru: Cross-site Scripting (XSS) - DOM on https://account.mail.ru/user/garage?back_url=https://mail.ru

Reflected XSS in account.mail.ru via backurl parameter...

New Relic: IDOR - User is able to download charts/dashboards from cross accounts

@k3ne described an issue where a user on an account could access data concerning dashboards for another user on the same account. While this appeared to be a cross-account access issue, both users on the account have access to the same data by design...

GitHub Security Lab: Query to find TLS configurations supporting hardcoded insecure versions of the protocol and cipher suites

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

Dropcontact: Django should not have debug mode enabled

We were displaying sensitive information...

Stripo Inc: subdomain takeover at status0.stripo.email

Hi , The subdomain status0.stripo.email was pointed at uptimerobot.com whereas it was not being used , but having Cname record as stats.uptimerobot.com . Hence anyone can takeover it. I have parked it with atest account on uptimerobot.com F634639 F634636 thanks Impact Anyone can use this subdomai...

Mail.ru: OOB XXE

Limited XXE on XML request processing led to blind SSRF possibility OOB XXE on one of Ext. B Mail.ru domains, which could be exploited as blind SSRF...

Central Security Project: OS Command Injection in Nexus Repository Manager 2.x

Maven artifact groupId: org.sonatype.nexus.plugins artifactId: nexus-yum-repository-plugin version: 2.14.9-01 Vulnerability Vulnerability Description The Nexus Yum Repository Plugin is vulnerable to Remote Code Execution. All instances using CommandLineExecutor.java with user-supplied data is...

X (Formerly Twitter): cookie injection allow dos attack to periscope.tv

Description: i find in periscope.tv a parameter "createuser" allow to inject "loginissignup" cookie, when tested with crlf payload get response "HTTP/1.1 504 GATEWAYTIMEOUT" Link Vulnerable: https://www.periscope.tv/i/twitter/login?createuser=payload&csrf=yourcsrftoken Steps To Reproduce: 1. go t...

Valve: Malformed playlist.txt in GoldSrc games leads to Access Violation & arbitrary code execution

A crafted playlist.txt can be used to exploit a stack overflow vulnerability in GameUI.dll that can lead to arbitrary code execution. Reproduction Place attached playlist.txt in game directory valve, cstrike, etc.. The game will crash when it tries to play Splash track. Exploitability The file ca...

OLX: Search Page Reflected XSS on sharjah.dubizzle.com through unencoded output of GET parameter in JavaScript

Hi, I found a reflected XSS vulnerability on the search page of sharjah.dubizzle.com. Because the GET parameter keywords is not being encoded before parsing it into the JavaScript, an attacker can break out of the code an execute JavaScript in the targets browser. Vulnerable Code When searching f...

Node.js third-party modules: [serve] Directory listing and File access even when they have been set to be ignored

I would like to report a vulnerability in serve on macOS. It allows listing directory and reading local files on the target server. Module module name: serve version: 6.5.3 npm page: https://www.npmjs.com/package/serve Module Description Ever wanted to share a project on your network by running...

Node.js third-party modules: Prototype pollution attack (merge-objects)

As discussed in 309391, here's the separate report for each of the library. This one is the information for the merge-objects library. Module: merge-object Summary: Utilities function in all the listed modules can be tricked into modifying the prototype of "Object" when the attacker control part ...

Ruby: NET::Ftp allows command injection in filenames

Hi While using NET::Ftp I realised you could get command execution through "malicious" file names. The problem lies in the gettextfileremotefile, localfile = File.basenameremotefile method. When looking at the source code, you'll note: def gettextfileremotefile, localfile = File.basenameremotefil...

arxius: Missing Rate Limit for Password Reset Verification - Vulnerable to brute force

Description The password reset verification do not seem to contain rate limit which is implemented in the email verification on sign up. The password reset link looks like this: https://arxius.io/password/EMAIL%40DOMAIN.COM/RESTTOKEN On clicking the link, it prompts to enter a new password. When...

Phabricator: User with only Viewing Privilege can send message to Room

Hey, mongoose When the owner of a chat room gives any user Viewing Privilege, that user can then send messages to the room. As expected, there's no form to send messages when the user access the room since in theory it shouldn't be possible. However, messages via POST requests can still be sent a...

WordPress: XSS via unicode characters in upload filename

Wordpress has a vulnerability that could lead to javascript execution and thus privileged escalation via an admin visiting the wrong page via specially crafted JavaScript. Unicode characters are escaped by javascript but they are not escaped serverside. I've checked the latest version 4.6.1 at th...

Uber: Unsubscribe any user from receiving email

hi, At url https://www.uber.com/unsubscribe you can unsubscribe any email of any user, which is bit of concern for the people who wants to receive emails from uber. only people who gets email from uber should be allowed to unsubscribe themselves from uber emails rather than anybody unsubscribing...

Shopify: Stored XSS in https://checkout.shopify.com/

STEPS TO REPRODUCE 1. Go to http://hardware.shopify.com/products/custom-gift-card?variant=976094353 and Design your own gift card. 2. Change file type to url on the upload field. 3. Add the payload...

Pornhub: [xss, pornhub.com] /user/[username], multiple parameters

The researcher identified that the following URL for the Pornhub user was vulnerable to reflected/semi-stored cross site scripting, which enabled the researcher to craft a URL that pops an alert box upon mousing over the language selection at bottom of page. The affected url can be seen below:...

Internet Bug Bounty: Bad Write in TTF font parsing (win32k.sys)

This bug was originally reported through Project Zero at Google. Alex Rice suggested to me that I could potentially receive a bounty through Hacker One so I am also opening a report here. The vulnerability reference numbers are MS15-010 CVE-2015-0059 The original bug report is...

Ruby on Rails: Arbitrary file existence disclosure in Action Pack

This bug was reported directly to the Rails team: https://groups.google.com/forum/!topic/rubyonrails-security/23fiuwb1NBA...

Mail.ru: XXE and SSRF on webmaster.mail.ru

SSRF request: POST /domain/metadata HTTP/1.1 Host: webmaster.mail.ru User-Agent: Mozilla/5.0 Macintosh; Intel Mac OS X 10.9; rv:29.0 Gecko/20100101 Firefox/29.0 Accept: application/json, text/javascript, /; q=0.01 Accept-Language: ru-RU,ru;q=0.8,en-US;q=0.5,en;q=0.3 Accept-Encoding: gzip, deflate...

Localize: Login page password-guessing attack

Login page password-guessing attack Vulnerability description A common threat web developers face is a password-guessing attack known as a brute force attack. A brute-force attack is an attempt to discover a password by systematically trying every possible combination of letters, numbers, and...

Ruby: Ruby: Heap Overflow in Floating Point Parsing

Any time a string is converted to a floating point value, a specially crafted string can cause a heap overflow. This can lead to a denial of service attack via segmentation faults and possibly arbitrary code execution. Any program that converts input of unknown origin to floating point values...

Internet Bug Bounty: Apache Airflow: Sensitive Information Exposure in DAG Run Logs

The Apache Airflow platform was vulnerable to sensitive information exposure in DAG run logs. Passwords, secrets, and the Fernet key were logged in plain text, which could have resulted in the disclosure of this sensitive information to unauthorized users...

Internet Bug Bounty: CVE-2024-32760 in nginx

CVE-2024-32760 was discovered in the HTTP/3 QUIC module of NGINX Plus and NGINX OSS. When the module was configured, undisclosed HTTP/3 encoder instructions could cause NGINX worker processes to terminate or experience other potential impact...

Internet Bug Bounty: CVE-2024-2466: TLS certificate check bypass with mbedTLS (reward request)

CVE-2024-2466: TLS certificate check bypass with mbedTLS. The vulnerability was reported in libcurl, where it did not check the server certificate of TLS connections made to a host specified as an IP address when built to use mbedTLS. This caused the certificate check to be completely skipped,...

HackerOne: IDOR - Delete all Licenses and certifications from users account using CreateOrUpdateHackerCertification GraphQL query

All licenses and certifications in HackerOne could be deleted by changing the ID number in the CreateOrUpdateHackerCertification GraphQL query...

Node.js: HTTP Request Smuggling via Empty headers separated by CR

HTTP Request Smuggling HRS was possible in Node.js v20.2.0 due to the llhttp parser in the http module not strictly using the CRLF sequence to delimit HTTP requests. The CR character without LF was sufficient to delimit HTTP header fields in the llhttp parser, which is not compliant with RFC7230...

Fastify: Deny of service via malicious Content-Type

Summary: I found a way to crash a [email protected] server with a single query on a minimal setup. The function ContentTypeParser.getParser do not check properly if the requested content-type parser exists. /lib/contentTypeParser.js:94 javascript ContentTypeParser.prototype.getParser = function...

Yelp: No rate limit on subscribe form

Summary: Hi team, I found that you missing a rate limit protection for subscribe form Platforms Affected: https://business.yelp.com/?source=consumersiteheader&utmcontent=header&utmmedium=www&utmsource=conshome Steps To Reproduce: 1. go to...

Internet Bug Bounty: CVE-2022-27778: curl removes wrong file on error

Summary: Curl command has a logic flaw that results in removal of a wrong file when combining --no-clobber and --remove-on-error if the target file name exists and an error occurs. Steps To Reproduce: 1. echo "important file" foo 2. echo -ne "HTTP/1.1 200 OK\r\nContent-Length: 666\r\n\r\nHello\n"...

XVIDEOS: Text injection or content spoofing on forbiden page

hello Team, while enumerating directories of xvideos.com i found that 403 forbiden directories are refleting on the page , so i created some custom words to change the mind of customers that the website is under construction so please visit attaker site. reproduction speps: domain : www.xvideos.c...

curl: CVE-2021-22926: CURLOPT_SSLCERT mixup with Secure Transport

Summary: libcurl Secure Transport SSL backend fails to secure the CURLOPTSSLCERT against current directory file overriding the keychain nickname specified. This leads to the possibility of locally created file overriding the CURLOPTSSLCERT specified certificate and thus causing denial of service...

h1-ctf: HackerOne’s 100K CTF Writeup

Greetings team It has been a great challenge, thank you very much for the fun moments and also for the annoying ones : ██████████ P.S. I will put my writeup in my next comment. Impact ---...

Lark Technologies: Improper Access Control on Lark Footer Feature

Due to improper access control within Lark's footer feature, an attacker could have potentially accessed private files. We thank @imrannisar for reporting this to our team and confirming the resolution...

Zivver: Cross-site Scripting (XSS) - Reflected

This issue is out of scope per our policy. It would require very unlikely user involvement, such as getting the victim to directly copy and paste malicious code into the search bar as the search query can not be passed dynamically, e.g. as a URL parameter. vulnerabal url : = docs.zivver.com...

HackerOne: HackerOne Jira integration plugin Leaked JWT to unauthorized jira users

Summary: HackerOne provides an application tool HackerOne for Jira, an application that allows programs to track security issues through a jira instance. After testing the integration feature in the application, it was found that the application leads to the leakage of the JWT to unauthorized...

GitLab: FogBugz import attachment full SSRF requiring vulnerability in *.fogbugz.com

Summary: Hi Team, a bit of a odd one here. The FogBugz import code uses CarrierWave::Uploader::Base:download! to download attachments from fogbugz.com when importing a FogBugz repository. CarrierWave::Uploader::Base:download! ultimately uses Kernel.Open to download the provided attachment URL...

VK.com: Path Traversal в iOS приложении

Передача файлов из внутреннего каталога iOS приложения. С помощью хакерской атаки можно было угнать файлы из внутреннего каталога IOS приложения...

U.S. Dept Of Defense: Unauthorized access to admin panel of the Questionmark Perception system at https://██████████

Summary: Due to the lack of access control, an anonymous attacker can compromise the administrator account on the Questionmark Perception system. Description: By using the service description which publicly accessible on the internet, and by bypassing the access control, an anonymous attacker can...

Acronis: Get ip and Geo location any user via Clickjacking with inspectlet technology

Summary Get ip and Geo location any user via Clickjacking with inspectlet technology https://geoapi.acronis.com/?q=admin/views/ajax/autocomplete/user/a Steps To Reproduce 1. go to F1015419 2. will watch your geo data ex. "city":"Abu...

Stripo Inc: HTTP Request Smuggling on my.stripo.email

Summary: HTTP request smuggling vulnerabilities arise when websites route HTTP requests through webservers with inconsistent HTTP parsing. By supplying a request that gets interpreted as being different lengths by different servers, an attacker can poison the back-end TCP/TLS socket and prepend...

MTN Group: Information Disclosure Microsoft IIS Server service.cnf in a mtn website

Hi there i found a information disclosure Microsoft IIS Server service.cnf file in the website https://www.mtn.co.za/ using firefox. In the following steps i will demonstrate how to reproduce the vulnerability. POC: 1ºGo to the following url: https://www.mtn.co.za/vtipvt/service.cnf you will see:...

Nextcloud: Remote code execution via path traversal in Zip extraction in the Extract app

I realise this doesn't qualify for a reward, as it's a vulnerability in a third-party app, but as the app is part of the "official" VM image provided by Hansson IT, I think it's well worth fixing. The Extract app doesn't validate the path or filename of a zip file to be extracted, allowing an...