RCE in Xwiki
CVE-2024-55877
XWiki Platform is a generic wiki platform. Starting in version 9.7-rc-1 and prior to versions 15.10.11, 16.4.1, and 16.5.0, any user with an account can perform arbitrary remote code execution by adding instances of `XWiki.WikiMacroClass` to any page. This compromises the confidentiality, integrity and availability of the whole XWiki installation. This vulnerability has been fixed in XWiki 15.10.11, 16.4.1 and 16.5.0. It is possible to manually apply the patch to the page `XWiki.XWikiSyntaxMacrosList` as a workaround.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.016 (75.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Xwiki — versions 16.5.0
- Xwiki Xwiki-Platform — versions >= 9.7-rc-1, < 15.10.11, >= 16.0.0-rc-1, < 16.4.1, >= 16.5.0-rc-1, < 16.5.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/xwiki/xwiki-platform/security/advisories/GHSA-2r87-74cx-2p7c (Vendor Advisory)
- github.com/xwiki/xwiki-platform/commit/40e1afe001d61eafdf13f3621b4b597a0e58a3e3 (Patch)
- jira.xwiki.org/browse/XWIKI-22030 (Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2024-55877?
- CVE-2024-55877 is a critical-severity vulnerability in Xwiki, classified under Improper Neutralization of Directives in Statically Saved Code (Static Code Injection). CVSS score: 9.9/10. Published 2024-12-12.
- How severe is CVE-2024-55877?
- Critical severity. CVSS v3 base score is 9.9 out of 10.
- Is CVE-2024-55877 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.