CVE-2018-8815: Alkacon Opencms

Medium severity, CVSS 4.6. EPSS: 1.3% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in the gallery function in Alkacon OpenCMS 10.5.3 allows remote attackers to inject arbitrary web script or HTML via a malicious SVG image.

Affected products

• Alkacon Opencms: version 10.5.3 only

Published 2018-03-20. Last modified 2026-06-17.