Medium (6.1) in alkacon opencms. EPSS 1.8% chance of exploitation in the next 30 days. Fixed in org.opencms:opencms-core 16.0.0.
Cross-site scripting (XSS) vulnerability in Alkacon Software Open CMS, affecting versions 14 and 15 of the 'Mercury' template. This vulnerability could allow a remote attacker to send a specially crafted JavaScript payload to a victim and partially take control of their browsing session.
Severity
CVSS 3.1
6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
1.8% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)