Logitech: Sensitive information disclosure to shared access user via streamlabs platform api

Summary: Hi there, Hope you are doing well and stay safe. Streamlab allows us to invite other users to manage our dashboard and cloudbot functions via following setting which named "Shared Access". https://streamlabs.com/dashboard/settings/shared-access If we invite other users with Moderator rol...

ImpressCMS: Download full backup and Cross site scripting

A backup zip file was still left on the server, which was removed. Moreover, an old unused content editor was still left and could be used by a malicious user. The unused editor has been removed as well...

Engel & Völkers Technology GmbH: Debug information at the /sapi endpoint

Summary: Sending a GET request to www.engelvoelkers.com/sapi and the server responds with a 500 Internal Server Error which yields a stack trace. Steps To Reproduce: - Enter www.engelvoelkers.com/sapi into your web browser and you can see the stacktrace. https://bugpoc.com/pocbp-VPZDeo2Z I will...

GitHub Security Lab: [CATENACYBER]: [CPP] CWE-476 Null Pointer Dereference : Another query to either missing or redundant NULL check

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

Topcoder: SSRF at https://cognitive.topcoder.com leads to AWS instance metadata due to vulnerable email subscription feature

Summary: Topcoder makes use of Amazons AWS in their web application environment. I noticed a feature that allows a user to subscribe and receive emails from Topcoder. This feature is vulnerable to server side request forgery since it allows a user to supply an arbitrary URL which the application...

Topcoder: SVG file upload leads to XML injection

Summary: Upload Avatar option allows the user to upload image/ . Thus enabling the upload of many file formats including SVG files MIME type: image/svg+xml SVG files are XML based graphics files in 2D images. Thus, this opens up an attack vector to upload specially crafted malicious SVG files. Th...

Razer: SQL injection in Razer Gold List Admin at /lists/index.php via the `list[]` parameter.

The tester discovered a monitoring server in a Razer Gold environment was running legacy software with a SQL injection vulnerability. Razer thanks the tester for his diligence and helping keep Razer's customer data secure. A Razer Gold asset suffered from an SQL injection due to an outdated...

Nextcloud: Denial of Service by requesting to reset a password

Description: I believe that this is posible due to the brute force protection that makes all request last for 30 seconds which in this case is using all the PHP workers avalible in the pool, so the only way to defend yourself is setting up a limit or having a lot of resources. How to reproduce: I...

WordPress: Stored XSS on Wordpress 5.3 via Title Post

I have identified a WordPress security vulnerability , a Stored XSS vulnerability that affects latest version of WordPress 5.3 POC: 1 Login to wordpress website 2 Make a post with title payload xss like example alertdocument.domain; 3 Publish then open the post, XSS Will trigger Impact Can steali...

HackerOne: HTTP Parameter Pollution using semicolons in iframe element at hackerone.com/careers allows loading external Greenhouse forms

Summary: I noticed that HackerOne career pages loads it's application forms from Greenhouse.io via an iframe. The ghjid parameter value is taken into the iframe element for the token parameter in the iframe URL boards.greenhouse.io. Any html characters are escaped in order to avoid XSS and possib...

Internet Bug Bounty: Mercurial can be tricked into granting authorized users access to the Python debugger

I reported this bug privately to Mercurial and they produced an out of band release to fix the bug here: https://www.mercurial-scm.org/wiki/WhatsNewMercurial4.1.3.282017-4-18.29 I produced a very detailed proof of concept with a Metasploit exploit module, which can be seen publicly here:...

OWOX, Inc.: Direct IP Access

I can access the website through its IP following its default port which is port 80 .. it means that the hacker can Execute a DDOS on your website.. Actual IP and Port accessible:: 104.155.10.15:80 just copy and paste it in URL address bar...

LocalTapiola: SQL Injection /webApp/sijoitustalous_peruutus locId parameter (viestinta.lahitapiola.fi)

Vulnerable script: /webApp/sijoitustalousperuutus Vulnerable parameter: locId Database: PostgreSQL PoC 1. TRUE, substrversion,1,10='PostgreSQL', Result: Ilmoittaumisesi on peruttu...

Uber: DOM based XSS on

Possible Remote code execution DOM based XSS Vuln Jquery param : var strliID=jQuerylocation.attr'hash'; Target: Logged admin Go url https://drive.uber.com/melbourne/wp-admin/admin.php?page=Optionsgallerystyles" Solution : Upgrade latest version gallery plugin Your version v1.9.55 Test my localhos...

Slack: File upload XSS (Java applet) on http://slackatwork.com/

The web application supports file uploads and I was able to upload a Java Applet .class/.jar file. If a web browser loads a Java applet from a trusted site, the browser provides no security warning. If an attacker can upload a CLASS/JAR file with an applet, the file is executed even if the web...

Automattic: Stored XSS on wordpress.com

A Stored XSS vulnerability was found on WordPress.com via app.crowdsignal.com. An attacker could use this vulnerability to execute malicious script code in the victim user's browser and redirect them to malicious sites...

Internet Bug Bounty: CVE-2022-42916: HSTS bypass via IDN

Original Report:https://hackerone.com/reports/1730660 Impact HSTS bypass...

Nextcloud: Insecure randomness for default password in file sharing when password policy app is disabled

The password generation function used for protecting shared links in Nextcloud was using an insecure random number generator, which could allow an attacker to access the shared files without knowledge of the password...

Recorded Future: Storage of old passwords in plain text format

Summary: Server response from app.recordedfuture.com has old passwords for a logged in account in plain text format. Storage of passwords in any readable format or using weak hashes put the account or system at great risk. What's interesting is how RecordedFuture store multiple passwords not just...

UPchieve: Authentication Bypass - Email Verification code bypass in account registration process.

Hi Team, I was able to bypass Email Verification code in account registration process. Summary : Authentication Bypass is a dangerous vulnerability, which is found in Web-Applications. An Attackers can bypass the control mechanisms which are used by the underlying web application like Email...

Internet Bug Bounty: Ruby - Regular Expression Denial of Service Vulnerability of Date Parsing Methods

Official report: https://www.ruby-lang.org/en/news/2021/11/15/date-parsing-method-regexp-dos-cve-2021-41817/ CVE-2021-41817 Here are the details from the official article: Date’s parsing methods including Date.parse are using Regexps internally, some of which are vulnerable against regular...

Internet Bug Bounty: The Host Authorization middleware in Action Pack is vulnerable to crafted X-Forwarded-Host values

Title: The Host Authorization middleware in Action Pack is vulnerable to crafted X-Forwarded-Host values Scope: https://github.com/rails/rails Weakness: Open Redirect Severity: Medium Link: https://hackerone.com/reports/1189310 Date: 2021-05-09 06:29:19 +0000 By: @mshtawy CVE IDs: CVE-2021-22942,...

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...

Uber: CVE-2020-3452 - unauthenticated file read on anyconnect.routematch.com

The CISCO ASA instance at anyconnect.routematch.com was vulnerable to CVE-2020-3452, allowing an unauthenticated attacker to retrieve arbitrary files on the local filesystem...

GitHub Security Lab: [Java] CWE-094: Jython code injection

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

GitHub Security Lab: [Java]: CWE-601 Spring url redirection detect

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

Kartpay: Misconfiguration of Merchant id in jwt header + Weird Debug mode enabling behavior leads to exposed OTP of mobile number.

The Verification email Content was able to decrypt easily and leads to disclosure of information that was supposed to be provided after account verification is completed. Secondly, For a Limited time Production was put on debug mode but it was left with it. so now it has been fixed...

curl: CVE-2020-8284: trusting FTP PASV responses

Summary: The issue here arises from the fact that curl by default has the option CURLOPTFTPSKIPPASVIP disabled by default. As a result, an attacker controlling the URL used by curl, can perform port scanning on behalf of the server where curl is running. This can be achieved by setting up a custo...

Weblate: Reset password cookie leads to account takeover

Hi There are 3 issues on this report lead to account takeover. 1- When the user requests a reset password link, server sends a link for the user via email, whenever the user click on the link for the first time redirects to Reset password page but if the user close browser or tab and click again ...

Brave Software: Arbitrary file download due to bad handling of Redirects in WebTorrent

Summary: Previously I reported 963155 how an attacker can trick user into downloading malicious files using ".save torrent" feature, In this report I am going to reproduce the same behavior but by abusing a different feature. Description While I was testing webtorrent on brave I noticed that...

BugPoC: DOM based Cross-site Scripting

Summary: The postMessage API is an alternative to JSONP, XHR with CORS headers and other methods enabling sending data between origins. It was introduced with HTML5 and like many other cross-document features it can be a source of client-side vulnerabilities. Steps To Reproduce: Visit -...

Dropcontact: Unrestricted File Upload on https://app.dropcontact.io/app/upload/

hi team, I found Unrestricted File Upload Vulnerabilities on https://app.dropcontact.io/app/upload/. Steps To Reproduce: 1. Create an account in https://app.dropcontact.io/app/ 1. go to https://app.dropcontact.io/app/upload/ 1. try to upload html file , you will see message only : .csv, .txt, .xl...

WordPress: Clickjacking on donation page

Description: Vulnerable URL: https://wordpressfoundation.org/donate/ Clickjacking on the vulnerable URL allows an attacker to redirect a victim to do a donation at an attacker's page. Steps To Reproduce: 1 To test whether the page is vulnerable to clickjacking or not use this code i Frame THIS PA...

h1-ctf: [H1-2006 2020] Exploiting multiple vulnerabilities to get hacker's payment ensured

Last week, Hackerone’s CEO Marten lost his credentials for BountyPay. A tweet from hackerone’s official twitter account asked for help from ethical hackers and bounty hunters to help the CEO recover his credentials and insure May’s payments. As an active bug hunter on Hackerone, I decided to take...

HackerOne H1P BBP1: Testing

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MariaDB: Exposed debug.log file leads to information disclosure

At the following address i have found debug.log file disclose the application full path on the server. And there is database username too in debug.log http://mariadb.org/wp-content/debug.log Impact Information disclosure...

Zomato: [www.zomato.com] Blind XSS on one of the Admin Dashboard

Thanks for the report @pandaaaa. The Blind XSS fired when the order details were viewed by the admin at the back-end, The script was injected through an API endpoint from the Zomato app on one of the parameters which was recently introduced to provide special instructions to the restaurant on how...

Shopify: HTML injection in https://interviewing.shopify.com/index.php?candidate=

https://interviewing.shopify.com/index.php?candidate= is inserting the value of candidate into the DOM without any filtering except that the equal sign can't appear in the payload, this allows attacker to injection any html in the DOM. Of course reflected XSS payloads like ...something... will be...

Semrush: Persistent CSV injection

Hi Team, https://www.semrush.com/notes is vulnerable to persistent csv injection stored csv injection POC: 1 Login into application and open https://www.semrush.com/notes 2 click on "Add note" button 3 And enter csv injection payloads like =4+4, =HYPERLINK"http://evil.com", "EVIL" and click on sa...

Nextcloud: xmlrpc.php is enabled - Nextcloud

Hi Nextcloud Team, Summary: An attacker can devise a XML request to list all the methods that are enabled on the server. Replace Get with POST request and add method call in the request. To reproduce the vulnerability you need to use Firefox browser and Burpsuite Open:...

Nextcloud: Extremly simple way to bypass Nextcloud-Client PIN/Fingerprint lock

I'm sorry for my bad English, I'm German How to reproduce this security bug. Step 1: Take a normal Android smartphone maybe it also works on iOS, but I have not tested it yet. Step 2: Install the official nextcloud-client. Step 3: Set up nextcloud: Open the nextcloud app, tap on "Skip", enter the...

Internet Bug Bounty: Exim handles BDAT data incorrectly and leads to crash/hang

Original article is here Incorrect BDAT data handling leads to DoS Vulnerability Analysis When receiving data with BDAT command, SMTP server should not consider a single dot ‘.’ in a line to be the end of message. However, we found exim does in receivemsg when parsing header. Like the following...

RubyGems: No limit of summary length allows Denail of Service

Currently, there is no limit for summary length. I think, pushing a gem whose summary is huge, will make gem search unavailable. This is not Arbitrary Code Execution, but really easy to attack. According to CVSS v3.0 Calculator, the severity is High 7.5. How to attack 1 An attacker creates a gem...

Nextcloud: Content (Text) Injection at NextCloud Server 9.0.52 - via http://custom_nextcloud_url/remote.php/dav/files/

Dear Next Cloud Security Team, I would like to report an issue. This is not a critical issue since the affect and not even "touch" something sensitive that stored at the server via the application. As a summary, this is issue need the user interaction for exploiting the "target". So, based on thi...

Bumble: Password modification without knowing actual password & httpOnly bypass

Two issues: Session cookie is returned in HTML source code of /encounters page, which would allow an XSS attacker to steal it, even if httpOnly is activated. A secret value, present in HTML source code of some api.phtml pages, can be used to modify user's password without knowing actual one...

Shopify: File name and folder enumeration.

Hello, An attacker can enumerate your sensitive files and folder such as configuration files name via the timezone parameter in cube.csv: GET...

Gratipay: The POODLE attack (SSLv3 supported) for https://grtp.co/

Websites that support SSLv3 and CBC-mode ciphers are potentially vulnerable to an active MITM Man-in-the-middle attack. This attack, called POODLE, is similar to the BEAST attack and also allows a network attacker to extract the plaintext of targeted parts of an SSL connection, usually cookie dat...

Internet Bug Bounty: Uninitialized pointer in phar_make_dirstream

https://bugs.php.net/bug.php?id=70433...

Snapchat: Captcha Bypass in Snapchat's Geofilter Submission Process

Hi, Overview: Snapchat provides a form in which users can submit "Geofilters". These are filters which get applied to users snaps when they are in specific geolocations. The form https://www.snapchat.com/geofilters/submit.html allows for the submission of these "Geofilters" as an anonymous user...

Mobile Vikings: Insecure crossdomain.xml

Hi, https://mobilevikings.be/crossdomain.xml contains the following xml file: This will make any one able to receive content from https://mobilevikings.be/. More information about this issue is available here: http://gursevkalra.blogspot.nl/2013/08/bypassing-same-origin-policy-with-flash.html Bes...