CVE-2025-65091: XWiki Full Calendar Macro

Critical severity, CVSS 10.0. EPSS: 0.3% chance of exploitation in the next 30 days.

XWiki Full Calendar Macro displays objects from the wiki on the calendar. Prior to version 2.4.5, users with the right to view the Calendar.JSONService page (including guest users) can exploit a SQL injection vulnerability by accessing database info or starting a DoS attack. This issue has been patched in version 2.4.5.

Affected products

• XWiki Full Calendar Macro: before 2.4.5 (fixed in 2.4.5)

Published 2026-01-10. Last modified 2026-06-17.