CVE-2020-15252: XWiki

High severity, CVSS 8.8. EPSS: 3.4% chance of exploitation in the next 30 days.

In XWiki before version 12.5 and 11.10.6, any user with SCRIPT right (EDIT right before XWiki 7.4) can gain access to the application server Servlet context which contains tools allowing to instantiate arbitrary Java objects and invoke methods that may lead to arbitrary code execution. This is patched in XWiki 12.5 and XWiki 11.10.6.

Affected products

• XWiki XWiki: before 11.10.6 (fixed in 11.10.6); from 12.0, before 12.5 (fixed in 12.5)

Published 2020-10-16. Last modified 2026-06-17.