CVE-2024-5520: Alkacon Opencms

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

Two Cross-Site Scripting vulnerabilities have been discovered in Alkacon's OpenCMS affecting version 16, which could allow a user with sufficient privileges to create and modify web pages through the admin panel, can execute malicious JavaScript code, after inserting code in the “title” field.

Affected products

• Alkacon Opencms: version 16.0.0 only

Published 2024-05-30. Last modified 2026-06-17.