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bdu:2026-00448

EUVD-2026-265422

fkie_cve-2025-65091

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.

GHSA-2g22-wg49-fgv5 — XWiki Full Calendar Macro vulnerable to SQL injection through Calendar.JSONService

Affected: Maven: org.xwiki.contrib:macro-fullcalendar-pom

### 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: * [FULLCAL-80: SQL injection through Calendar.JSONService](https://jira.xwiki.org/browse/FULLCAL-80) * [FULLCAL-81: SQL injection through Calendar.JSONService still exists](https://jira.xwiki.org/browse/FULLCAL-81)

### For more information

If there are any questions or comments about this advisory: * Open an issue in [Jira XWiki.org](https://jira.xwiki.org/) * Email [Security Mailing List](mailto:security@xwiki.org)

WID-SEC-W-2026-0060 — xwiki (Full Calendar Macro): Mehrere Schwachstellen

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in xwiki ausnutzen, um Informationen offenzulegen, eine SQL-Injection durchzuführen oder einen Denial-of-Service-Zustand zu verursachen.