CVE-2025-65090 XWiki Full Calendar Macro vulnerable to data leak through Calendar.JSONService
Attackers can access sensitive database information via the Calendar.JSONService page, exposing data to unauthorized users including guests.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-65090?
CVE-2025-65090 is a medium-severity 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 2.4.6, users with the rights to view the Calendar.JSONService page (including guest users) can exploit the data leak vulnerability by accessing database info, with the exception of passwords. This issue has been patched in version 2.4.6.
Weakness: CWE-200
Which versions are affected by CVE-2025-65090?
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 | 2.4.6 |
org.xwiki.contrib:macro-fullcalendar-pom Maven | All versions | 2.4.6 |
Products include Xwiki Full Calendar Macro.
How do I fix CVE-2025-65090?
Upgrade org.xwiki.contrib:macro-fullcalendar-pom to 2.4.6 or later.
Is CVE-2025-65090 being exploited?
There is no known exploitation of CVE-2025-65090 in the wild and no public exploit code.
Other vulnerabilities in xwiki-contrib macro-fullcalendar
Sources
Also known as GHSA-637h-ch24-xp9m.