XWiki Full Calendar Macro vulnerable to SQL injection through Calendar.JSONService

KRITISCH 10.0CVE-2025-65091 · GHSA-2g22-wg49-fgv5 · Published 10/01/2026 · updated 17/06/2026

Package	Affected versions	Patched versions
org.xwiki.contrib:macro-fullcalendar-pom Maven	`< 2.4.5`	`2.4.5`
full calendar macro xwiki	`< 2.4.5`	`2.4.5`

Description

Impact

Anyone who has view rights on the Calendar.JSONService page, including guest users can exploit this vulnerability by accessing database info or starting a DoS attack.

Workarounds

Remove the Calendar.JSONService page. This will however break some functionalities.

References

Jira issue:

For more information

If there are any questions or comments about this advisory:

Open an issue in Jira XWiki.org
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NVD description

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.

References

xwiki-contrib/macro-fullcalendar security advisory · WEB
nvd.nist.gov/vuln/detail/CVE-2025-65091 · ADVISORY
xwiki-contrib/macro-fullcalendar commit 5fdcf06 · WEB
xwiki-contrib/macro-fullcalendar · PACKAGE

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