Description
A stored Cross-Site Scripting (XSS) vulnerability has been discovered in MetInfo CMS version 8.0. The vulnerability exists due to insufficient validation and sanitization of SVG file uploads in the app\system\include\module\editor\Uploader.class.php component. This security flaw allows attackers to upload malicious SVG files containing JavaScript code that executes when the uploaded file is viewed or accessed.
Affected products
metinfo: metinfo
References1
- snowhy77.github.io/2025/08/22/Stored-XSS-Vulnerability-in-MetIn… ExploitMitigationThird Party Advisory
Metrics
- CVSS 3.1
-
6.1
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - EPSS — exploit probability
- 0% percentile: 14 · as of 9 November 2026
- CWE
- CWE-79
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.