CVE-2020-20699: S-CMS

Medium severity, CVSS 4.8. EPSS: 0.5% chance of exploitation in the next 30 days.

A cross site scripting (XSS) vulnerability in S-CMS PHP v3.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload entered into the Copyright text box under Basic Settings.

Affected products

• S-CMS S-CMS: version 3.0 only

Published 2021-07-30. Last modified 2026-06-17.