CVE-2024-55879

Name: CVE-2024-55879
Creator: NVD / NIST
Published: 2024-12-12T20:15:21.623+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.04%

Last modified Jun 17, 2026

CVE-2024-55879 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. XWiki Platform is a generic wiki platform. Starting in version 2.3 and prior to versions 15.10.9, 16.3.0, any user with script rights can perform arbitrary remote code execution by adding instances of `XWiki.ConfigurableClass` to any page. EPSS estimates a 1.04% chance of exploitation in the next 30 days.

Description

XWiki Platform is a generic wiki platform. Starting in version 2.3 and prior to versions 15.10.9, 16.3.0, any user with script rights can perform arbitrary remote code execution by adding instances of `XWiki.ConfigurableClass` to any page. This compromises the confidentiality, integrity and availability of the whole XWiki installation. This has been patched in XWiki 15.10.9 and 16.3.0. No known workarounds are available except upgrading.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.04%

59.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Xwiki	Xwiki	>= 2.3, < 15.10.9
Xwiki	Xwiki	>= 16.0.0, < 16.3.0

References

https://github.com/xwiki/xwiki-platform/commit/8493435ff9606905a2d913607d6c79862d0c168dPatch
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-r279-47wg-chprVendor Advisory
https://jira.xwiki.org/browse/XWIKI-21207Exploit, Vendor Advisory
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-wh34-m772-5398Not Applicable

Timeline

Published: Dec 12, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-55879?

How severe is CVE-2024-55879?

CVE-2024-55879 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.04% probability of exploitation in the next 30 days.

How do I fix CVE-2024-55879?

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-2024-55879?

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

Scan your code now

Source: NVD / NIST