What is CVE-2023-29507?

CVE-2023-29507 is a critical-severity vulnerability in Xwiki, classified under CWE-648. CVSS score: 9.1/10. Published 2023-04-16.

How severe is CVE-2023-29507?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Xwiki

CVE-2023-29507

XWiki Commons are technical libraries common to several other top level XWiki projects. The Document script API returns directly a DocumentAuthors allowing to set any authors to the document, which in consequence can allow subsequent executions of scripts since this author is used for checking rights. The problem has been patched in XWiki 14.10 and 14.4.7 by returning a safe script API.

Published 2023-04-16 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.009 (58.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Xwiki — versions 14.10
Xwiki Xwiki-Platform — versions >= 14.5, < 14.10, >= 14.4.1, < 14.4.7

Weakness classification (CWE)

CWE-648

References

github.com/xwiki/xwiki-platform/security/advisories/GHSA-pwfv-3cvg-9m4c (Vendor Advisory)
github.com/xwiki/xwiki-platform/commit/905cdd7c421dbf8c565557cdc773ab1aa9028f83 (Patch)
jira.xwiki.org/browse/XWIKI-20380 (Issue Tracking)

Frequently asked questions

What is CVE-2023-29507?: CVE-2023-29507 is a critical-severity vulnerability in Xwiki, classified under CWE-648. CVSS score: 9.1/10. Published 2023-04-16.
How severe is CVE-2023-29507?: Critical severity. CVSS v3 base score is 9.1 out of 10.