CVE-2024-55879: XWiki allows RCE from script right in configurable sections

9.1 CVSS

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.

Classification

CVE ID: CVE-2024-55879

CVSS Base Severity: CRITICAL

CVSS Base Score: 9.1

Affected Products

Vendor: xwiki

Product: xwiki-platform

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 17.83% (scored less or equal to compared to others)

EPSS Date: 2025-02-04 (when was this score calculated)

References

https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-r279-47wg-chpr
https://github.com/xwiki/xwiki-platform/commit/8493435ff9606905a2d913607d6c79862d0c168d
https://jira.xwiki.org/browse/XWIKI-21207

Timeline