CVE-2022-25582: Classcms Project Classcms

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

A stored cross-site scripting (XSS) vulnerability in the Column module of ClassCMS v2.5 and below allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Add Articles field.

Affected products

• Classcms Project Classcms: up to and including 2.5

Published 2022-03-25. Last modified 2026-06-17.