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Advisory record · GHSA-2g22-wg49-fgv5

XWiki Full Calendar Macro vulnerable to SQL injection through Calendar.JSONService

CVSS 10.0 CriticalCriticalEPSS 0.0033 · 26th percentile

Critical, because:

  • CVSS score 10.0: 9.0 or more.

How we decide what’s critical

Published by the GitHub Advisory Database at 9 Jan 2026, 18:41 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.xwiki.contrib:macro-fullcalendar-pomMaven<2.4.52.4.5
Identifiers
GHSA-2g22-wg49-fgv5 · CVE-2025-65091
Weakness (CWE)
CWE-89
Tags
Published
9 Jan 2026
Updated
3 Feb 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

XWiki Full Calendar Macro (org.xwiki.contrib:macro-fullcalendar-pom) versions before 2.4.5 are vulnerable to SQL injection through the Calendar.JSONService page. Any user with view rights to that page, including guest users, can exploit it to access database information or launch a denial-of-service attack. Upgrade to version 2.4.5. As a workaround, removing the Calendar.JSONService page addresses the issue but breaks some functionality.

Written 7 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
10.0 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0033, the 26th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:09 UTC First seen by agentprime
  2. 31 Oct 2026, 15:09 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.