Auth bypass in Xwiki
CVE-2023-26056
XWiki Platform is a generic wiki platform. Starting in version 3.0-milestone-1, it's possible to execute a script with the right of another user, provided the target user does not have programming right. The problem has been patched in XWiki 14.8-rc-1, 14.4.5, and 13.10.10. There are no known workarounds for this issue.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (44.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Xwiki — versions 3.0
- Xwiki Xwiki-Platform — versions >= 3.0-milestone-1, < 13.10.10, >= 14.0-rc-1, < 14.4.5, >= 14.5, < 14.8-rc-1
Weakness classification (CWE)
References
- github.com/xwiki/xwiki-platform/security/advisories/GHSA-859x-p6jp-rc2w (Exploit, Vendor Advisory)
- github.com/xwiki/xwiki-platform/commit/4b75f212c2dd2dfc5fb5726c7830c6dbc9a425c6 (Patch)
- github.com/xwiki/xwiki-platform/commit/bd34ad6710ed72304304a3d5fec38b7cc050ef3b (Patch)
- github.com/xwiki/xwiki-platform/commit/dd3f4735b41971b3afc3f3aedf6664b4e8be4894 (Patch)
- jira.xwiki.org/browse/XWIKI-19856 (Exploit, Patch, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-26056?
- CVE-2023-26056 is a medium-severity vulnerability in Xwiki, classified under Incorrect Authorization. CVSS score: 5.4/10. Published 2023-03-02.
- How severe is CVE-2023-26056?
- Medium severity. CVSS v3 base score is 5.4 out of 10.