CVE-2024-21650

Name: CVE-2024-21650
Creator: NVD / NIST
Published: 2024-01-08T16:15:46.903+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 93.48%

Last modified Jun 17, 2026

CVE-2024-21650 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. XWiki is vulnerable to a remote code execution (RCE) attack through its user registration feature. EPSS estimates a 93.48% chance of exploitation in the next 30 days.

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. XWiki is vulnerable to a remote code execution (RCE) attack through its user registration feature. This issue allows an attacker to execute arbitrary code by crafting malicious payloads in the "first name" or "last name" fields during user registration. This impacts all installations that have user registration enabled for guests. This vulnerability has been patched in XWiki 14.10.17, 15.5.3 and 15.8 RC1.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

93.48%

99.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Xwiki	Xwiki	< 14.10.17
Xwiki	Xwiki	>= 15.0, < 15.5.3
Xwiki	Xwiki	>= 15.6, <= 15.7

References

https://github.com/xwiki/xwiki-platform/commit/b290bfd573c6f7db6cc15a88dd4111d9fcad0d31Patch
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-rj7p-xjv7-7229Vendor Advisory
https://jira.xwiki.org/browse/XWIKI-21173Exploit, Issue Tracking, Vendor Advisory
https://github.com/xwiki/xwiki-platform/commit/b290bfd573c6f7db6cc15a88dd4111d9fcad0d31Patch
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-rj7p-xjv7-7229Vendor Advisory
https://jira.xwiki.org/browse/XWIKI-21173Exploit, Issue Tracking, Vendor Advisory

Timeline

Published: Jan 8, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-21650?

How severe is CVE-2024-21650?

CVE-2024-21650 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 93.48% probability of exploitation in the next 30 days.

How do I fix CVE-2024-21650?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-21650?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST