What is CVE-2023-29513?

CVE-2023-29513 is a medium-severity vulnerability in Xwiki, classified under Improper Access Control. CVSS score: 5.0/10. Published 2023-04-19.

How severe is CVE-2023-29513?

Medium severity. CVSS v3 base score is 5.0 out of 10.

Vulnerability in Xwiki

CVE-2023-29513

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. If guest has view right on any document. It's possible to create a new user using the `distribution/firstadminuser.wiki` in the wrong context. This vulnerability has been patched in XWiki 15.0-rc-1 and 14.10.1. There is no known workaround other than upgrading.

Published 2023-04-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.5th percentile), scored 2026-10-08.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Xwiki
Xwiki Xwiki-Platform — versions < 14.10.1

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

github.com/xwiki/xwiki-platform/security/advisories/GHSA-fp36-mjw5-fmgx (Exploit, Vendor Advisory)
jira.xwiki.org/browse/XWIKI-19852 (Exploit, Issue Tracking, Vendor Advisory)
jira.xwiki.org/browse/XWIKI-20400 (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2023-29513?: CVE-2023-29513 is a medium-severity vulnerability in Xwiki, classified under Improper Access Control. CVSS score: 5.0/10. Published 2023-04-19.
How severe is CVE-2023-29513?: Medium severity. CVSS v3 base score is 5.0 out of 10.