CVE-2026-105124: Vincent-Peugnet Wcms

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

W (vincent-peugnet/wcms) through 3.18.0 contains a stored cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts via the login user field and visitor comment website field. Attackers can submit failed logins rendered unescaped in the adminlog.php log viewer, or comment URLs echoed into href attributes in editrightbar.php, executing script with administrator or editor privileges.

Affected products

• Vincent-Peugnet Wcms: up to and including 3.18.0

Published 2026-10-04. Last modified 2026-10-06.