CVE-2023-30537: XWiki

High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days.

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with the right to add an object on a page can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping of the styles properties `FlamingoThemesCode.WebHome`. This page is installed by default. The vulnerability has been patched in XWiki versions 13.10.11, 14.4.7 and 14.10.

Affected products

• XWiki XWiki: from 12.6.6, before 13.10.11 (fixed in 13.10.11); from 14.0, before 14.4.7 (fixed in 14.4.7); from 14.5, before 14.10 (fixed in 14.10)

Published 2023-04-16. Last modified 2026-06-17.