PT-2026-1846 · Xwiki · Xwiki

Published 2025-08-06 · Updated 2026-01-10 · CVE-2025-65090

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions XWiki versions prior to 2.4.6

Description The XWiki Full Calendar Macro displays objects from the wiki on a calendar. Users with permission to view the Calendar.JSONService page, including guest users, can access database information, excluding passwords, due to a data leak.

Recommendations Update to version 2.4.6 or later.

Exploit

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BDU:2026-00447

CVE-2025-65090

GHSA-637H-CH24-XP9M

Affected Products

Xwiki

References · 11

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65090.json · Exploit
• https://github.com/xwiki-contrib/macro-fullcalendar/commit/25bc14c181c9a92f493b20ac264388c7ba171884 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2025-65090 · Security Note
• https://osv.dev/vulnerability/CVE-2025-65090 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-637h-ch24-xp9m · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-00447 · Security Note
• https://github.com/xwiki-contrib/macro-fullcalendar · Note
• https://github.com/xwiki-contrib/macro-fullcalendar/security/advisories/GHSA-637h-ch24-xp9m · Note
• https://jira.xwiki.org/browse/FULLCAL-82 · Note
• https://extensions.xwiki.org/xwiki/bin/view/Extension/FullCalendar%20Application · Note
• https://t.me/CVEtracker/41910 · Telegram Post