{"id":"GHSA-637h-ch24-xp9m","summary":"XWiki Full Calendar Macro vulnerable to data leak through Calendar.JSONService","details":"### Impact\nAnyone who has view rights on the `Calendar.JSONService` page, including guest users can exploit this vulnerability by accessing database info, with the exception of passwords.\n\n### Workarounds\nRemove the `Calendar.JSONService` page. This will however break some functionalities.\n\n### References\n\nJira issue: \n* [FULLCAL-82: Calendar.JSONService exposes emails of all users](https://jira.xwiki.org/browse/FULLCAL-82)\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n* Open an issue in [Jira XWiki.org](https://jira.xwiki.org/)\n* Email us at [Security Mailing List](mailto:security@xwiki.org)","aliases":["CVE-2025-65090"],"modified":"2026-02-03T03:03:41.031924Z","published":"2026-01-09T18:35:57Z","database_specific":{"cwe_ids":["CWE-200"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2026-01-09T18:35:57Z","nvd_published_at":"2026-01-10T04:16:01Z"},"references":[{"type":"WEB","url":"https://github.com/xwiki-contrib/macro-fullcalendar/security/advisories/GHSA-637h-ch24-xp9m"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-65090"},{"type":"WEB","url":"https://github.com/xwiki-contrib/macro-fullcalendar/commit/25bc14c181c9a92f493b20ac264388c7ba171884"},{"type":"PACKAGE","url":"https://github.com/xwiki-contrib/macro-fullcalendar"},{"type":"WEB","url":"https://jira.xwiki.org/browse/FULLCAL-82"}],"affected":[{"package":{"name":"org.xwiki.contrib:macro-fullcalendar-pom","ecosystem":"Maven","purl":"pkg:maven/org.xwiki.contrib/macro-fullcalendar-pom"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.6"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 2.4.5","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/01/GHSA-637h-ch24-xp9m/GHSA-637h-ch24-xp9m.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}