Medium (6.1). EPSS 79% chance of exploitation in the next 30 days. Fixed in org.apache.activemq:activemq-parent 5.15.14, 5.16.1.
An instance of a cross-site scripting vulnerability was identified to be present in the web based administration console on the message.jsp page of Apache ActiveMQ versions 5.15.12 through 5.16.0.
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
79% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)