What is CVE-2024-21648?

CVE-2024-21648 is a high-severity vulnerability in Xwiki, classified under Improper Handling of Insufficient Privileges. CVSS score: 8.0/10. Published 2024-01-09.

How severe is CVE-2024-21648?

High severity. CVSS v3 base score is 8.0 out of 10.

Vulnerability in Xwiki

CVE-2024-21648

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. The rollback action is missing a right protection, a user can rollback to a previous version of the page to gain rights they don't have anymore. The problem has been patched in XWiki 14.10.17, 15.5.3 and 15.8-rc-1 by ensuring that the rights are checked before performing the rollback.

Published 2024-01-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (42.4th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Xwiki
Xwiki Xwiki-Platform — versions >= 1.0, < 14.10.17, >= 15.0-rc-1, < 15.5.3, >= 15.6-rc-1, < 15.8-rc-1

Weakness classification (CWE)

CWE-274 — Improper Handling of Insufficient Privileges

References

github.com/xwiki/xwiki-platform/security/advisories/GHSA-xh35-w7wg-95v3 (Patch, Issue Tracking, Vendor Advisory)
github.com/xwiki/xwiki-platform/commit/4de72875ca49602796165412741033bfdbf1e680 (Patch)
jira.xwiki.org/browse/XWIKI-21257 (Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2024-21648?: CVE-2024-21648 is a high-severity vulnerability in Xwiki, classified under Improper Handling of Insufficient Privileges. CVSS score: 8.0/10. Published 2024-01-09.
How severe is CVE-2024-21648?: High severity. CVSS v3 base score is 8.0 out of 10.