CVE-2020-29240: Lepton-CMS Leptoncms

Medium severity, CVSS 4.8. EPSS: 1.7% chance of exploitation in the next 30 days.

Lepton-CMS 4.7.0 is affected by cross-site scripting (XSS). An attacker can inject the XSS payload in the URL field of the admin page and each time an admin visits the Menu-Pages-Pages Overview section, the XSS will be triggered.

Affected products

• Lepton-CMS Leptoncms: version 4.7.0 only

Published 2020-12-02. Last modified 2026-06-17.