CVE-2025-65091

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

10.0 CriticalFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.33%Up 0.3 points since Jan 10, 2026

What each source reports

CVE List Score used 10.0

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

Record: CVE-2025-65091
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-89
Updated: 2026-11-02

EUVDEUVD-2026-1699 10.0

Record: EUVD-2026-1699
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-2g22-wg49-fgv5 10.0

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

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
Email Security Mailing List

Record: GHSA-2g22-wg49-fgv5
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-89
Updated: 2026-11-02

NVD 10.0

Record: CVE-2025-65091
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-89
Updated: 2026-11-02

OSV 10.0

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

Record: CVE-2025-65091
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-89
Updated: 2026-11-02

OSVGHSA-2g22-wg49-fgv5 10.0

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

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
Email Security Mailing List

Record: GHSA-2g22-wg49-fgv5
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-89
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`org.xwiki.contrib:macro-fullcalendar-pom` Maven	through 2.4.3	2.4.5
`org.xwiki.contrib:macro-fullcalendar-pom` Maven	before 2.4.5	2.4.5

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-65091 is a critical vulnerability (CVSS 10.0) in Xwiki Full Calendar Macro, published January 9, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 26th percentile. Fixed in org.xwiki.contrib:macro-fullcalendar-pom 2.4.5.