CVE-2025-56236

Published: Aug 28, 2025
Updated: Aug 29, 2025
CVE: <a href="https://nvd.nist.gov/vuln/detail/CVE-2025-56236" target="_blank" rel="noopener"> CVE-2025-56236
GHSA: <a href="https://github.com/advisories/GHSA-4fxf-xgrm-8fcj" target="_blank" rel="noopener"> GHSA-4fxf-xgrm-8fcj
Severity: Medium
Exploit:

FormCms v0.5.5 contains a stored cross-site scripting (XSS) vulnerability in the avatar upload feature. Authenticated users can upload .html files containing malicious JavaScript, which are accessible via a public URL. When a privileged user accesses the file, the script executes in their browser context.