CVE-2026-29934: Lightcms Project Lightcms

Medium severity, CVSS 6.1. EPSS: 0.3% chance of exploitation in the next 30 days.

A reflected cross-site scripting (XSS) vulnerability in the /admin/menus component of Lightcms v2.0 allows attackers to execute arbitrary Javascript in the context of the user's browser via modifying the referer value in the request header.

Affected products

• Lightcms Project Lightcms: version 2.0 only

Published 2026-03-26. Last modified 2026-06-17.