CVE-2025-65091 XWiki Full Calendar Macro vulnerable to SQL injection through Calendar.JSONService
Attackers can exploit SQL injection in the XWiki Full Calendar Macro to read database information or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-65091?
CVE-2025-65091 is a critical SQL injection vulnerability in xwiki-contrib macro-fullcalendar, published on 10 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-89
Which versions are affected by CVE-2025-65091?
2 open source packages ship an affected version, including org.xwiki.contrib:macro-fullcalendar-pom. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.xwiki.contrib:macro-fullcalendar-pom Maven | All versions | 2.4.5 |
org.xwiki.contrib:macro-fullcalendar-pom Maven | All versions | 2.4.5 |
Products include Xwiki Full Calendar Macro.
How do I fix CVE-2025-65091?
Upgrade org.xwiki.contrib:macro-fullcalendar-pom to 2.4.5 or later.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2025-65091 being exploited?
There is no known exploitation of CVE-2025-65091 in the wild and no public exploit code.
Other vulnerabilities in xwiki-contrib macro-fullcalendar
Sources
Also known as GHSA-2g22-wg49-fgv5.