CVE-2021-40369: Apache Jspwiki

Medium severity, CVSS 6.1. EPSS: 3.4% chance of exploitation in the next 30 days.

A carefully crafted plugin link invocation could trigger an XSS vulnerability on Apache JSPWiki, related to the Denounce plugin, which could allow the attacker to execute javascript in the victim's browser and get some sensitive information about the victim. Apache JSPWiki users should upgrade to 2.11.0 or later.

Affected products

• Apache Jspwiki: before 2.11.0 (fixed in 2.11.0)

Published 2021-11-24. Last modified 2026-06-17.