Vulnerability · Published Jan 10, 2026 · Assigned by GitHub_M
CVE-2025-65090XWiki Full Calendar Macro vulnerable to data leak through Calendar.JSONService
Medium 5.3
In plain English
A medium-severity information exposure in macro-fullcalendar from xwiki-contrib. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.xwiki.contrib:macro-fullcalendar-pom | 2.4.6 | GHSA-637h-ch24-xp9m |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| xwiki-contrib | macro-fullcalendar | < 2.4.6 |
Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N