CVE-2025-63441

Open Source Social Network (OSSN) 8.6 is vulnerable to Cross Site Scripting (XSS) via the parameter param` at endpoint u/administrator/friends

High · published November 3, 2025

CVSS v3.1
7.3
EPSS
0%
Percentile
20.7
In the wild
Unconfirmed
What it is

⚡ A crafty little XSS vulnerability lurks in Open Source Social Network (OSSN) 8.6, waiting to exploit the parameter at the `u/administrator/friends` endpoint! Think of it as a restaurant where anyone can sneak into the kitchen and swap your order with something wild — if they can just tell the staff to make the change. That's how easy it is for an attacker to manipulate the web application and run malicious scripts. This XSS flaw could allow an attacker to execute arbitrary JavaScript in the context of an admin's session. Imagine them being able to steal sensitive information, hijack accounts, or inject harmful scripts that spread chaos across your platform! That's absolutely devastating!

Put simply

Think of it as a restaurant where anyone can sneak into the kitchen and swap your order with something wild — if they can just tell the staff to make the change. That's how easy it is for an attacker to manipulate the web application and run malicious scripts. The vulnerability arises when the application fails to properly sanitize user input at a specific endpoint, allowing malicious scripts to be injected and executed.

What to do

This XSS flaw could allow an attacker to execute arbitrary JavaScript in the context of an admin's session. Imagine them being able to steal sensitive information, hijack accounts, or inject harmful scripts that spread chaos across your platform! That's absolutely devastating! To safeguard your system, patch OSSN to the latest version immediately. Also, ensure user input is sanitized before processing and consider implementing a Content Security Policy (CSP) to mitigate potential attacks. Don't wait — take action now! You've got this! ☂️ Follow these steps and you'll defend your application like a pro! 🛡️

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00292 · 20.7th percentile
Published
2025-11-03T00:00Z
EPSS history
Timeline
  • 03 NOV 00:00Z
    Open Source Social Network (OSSN) 8.6 is vulnerable to Cross Site Scripting (XSS) via the parameter param` at endpoint u/administrator/friends
    cvelistv5