Privilege escalation in Xwiki
CVE-2023-26475
XWiki Platform is a generic wiki platform. Starting in version 2.3-milestone-1, the annotation displayer does not execute the content in a restricted context. This allows executing anything with the right of the author of any document by annotating the document. This has been patched in XWiki 13.10.11, 14.4.7 and 14.10. There is no easy workaround except to upgrade.
Vulnerability class: Privilege Escalation
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: 0.636 (99.2th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.636 · newest: 0.636 · change: 0.000
Affected products
- Xwiki — versions 2.3
- Xwiki Xwiki-Platform — versions >= 2.3-milestone-1, < 13.10.11, >= 14.0-rc-1, < 14.4.7, >= 14.5, < 14.10
Weakness classification (CWE)
References
- github.com/xwiki/xwiki-platform/security/advisories/GHSA-h6f5-8jj5-cxhr (Exploit, Vendor Advisory)
- github.com/xwiki/xwiki-platform/commit/d87d7bfd8db18c20d3264f98c6deefeae93b99f7 (Patch)
- jira.xwiki.org/browse/XWIKI-20360 (Exploit, Patch, Issue Tracking, Vendor Advisory)
- jira.xwiki.org/browse/XWIKI-20384 (Patch, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-26475?
- CVE-2023-26475 is a critical-severity vulnerability in Xwiki, classified under Improper Privilege Management. CVSS score: 9.9/10. Published 2023-03-02.
- How severe is CVE-2023-26475?
- Critical severity. CVSS v3 base score is 9.9 out of 10.