Auth bypass in Xwiki
CVE-2024-55879
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.
Vulnerability class: Broken Access Control
EPSS: 0.010 (60.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Xwiki
- Xwiki Xwiki-platform — versions >= 2.3, < 15.10.9, >= 16.0.0-rc-1, < 16.3.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Exploit, x_refsource_MISC, Vendor Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Not Applicable)
Frequently asked questions
- What is CVE-2024-55879?
- CVE-2024-55879 is a critical-severity vulnerability in Xwiki, classified under Missing Authorization. CVSS score: 9.1/10. Published 2024-12-12.
- How severe is CVE-2024-55879?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2024-55879 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.