CVE-2026-29933: Yzmcms

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 /index/login.html component of YZMCMS v7.4 allows attackers to execute arbitrary Javascript in the context of the user's browser via modifying the referrer value in the request header.

Affected products

• Yzmcms Yzmcms: version 7.4 only

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