XWiki Full Calendar Macro vulnerable to data leak through Calendar.JSONService

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.

Scores

EPSS (exploitation in 30 days)

0.28% · top 79% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: yes · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.

Weakness

• CWE-200: Exposure of Sensitive Information to an Unauthorized Actor (opens in a new tab)All about CWE-200 and its CVEs

Affected products

• xwiki-contrib · macro-fullcalendar

  • affected < 2.4.6

Affected packages

From reviewed advisories of the GitHub Advisory Database.

• Mavenorg.xwiki.contrib:macro-fullcalendar-pomGHSA-637h-ch24-xp9m (opens in a new tab)

References (3)

• https://github.com/xwiki-contrib/macro-fullcalendar/security/advisories/GHSA-637h-ch24-xp9m (opens in a new tab)x_refsource_CONFIRM
• https://github.com/xwiki-contrib/macro-fullcalendar/commit/25bc14c181c9a92f493b20ac264388c7ba171884 (opens in a new tab)x_refsource_MISC
• https://jira.xwiki.org/browse/FULLCAL-82 (opens in a new tab)x_refsource_MISC

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisory GHSA-637h-ch24-xp9m (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2025-65090](https://trackcve.app/badge/CVE-2025-65090.svg)](https://trackcve.app/cve/CVE-2025-65090)

Record last updated 12 Jan 2026, 17:36 UTC.