Medium severity · published Jan 10, 2026
CVE-2025-65090
XWiki Full Calendar Macro vulnerable to data leak through Calendar.JSONService
5.3
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
macro-fullcalendar · xwiki-contrib
< 2.4.6 · source: vendor
FC
Full Calendar Macro · Xwiki
before 2.4.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-65090
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-65090
Patch
https://github.com/xwiki-contrib/macro-fullcalendar/commit/25bc14c181c9a92f493b20ac264388c7ba171884
Third Party Advisory
https://github.com/xwiki-contrib/macro-fullcalendar/security/advisories/GHSA-637h-ch24-xp9m
Permissions Required
https://jira.xwiki.org/browse/FULLCAL-82
More from macro-fullcalendar
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CVE-2025-65091
XWiki Full Calendar Macro vulnerable to SQL injection through Calendar.JSONService