CVE-2023-29509

Name: CVE-2023-29509
Creator: NVD / NIST
Published: 2023-04-16T08:15:07.577+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 76.30%

Last modified Jun 17, 2026

CVE-2023-29509 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. XWiki Commons are technical libraries common to several other top level XWiki projects. Any user with view rights on commonly accessible documents can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. EPSS estimates a 76.30% chance of exploitation in the next 30 days.

Description

XWiki Commons are technical libraries common to several other top level XWiki projects. Any user with view rights on commonly accessible documents can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping of the `documentTree` macro parameters in This macro is installed by default in `FlamingoThemesCode.WebHome`. This page is installed by default. The vulnerability has been patched in XWiki 13.10.11, 14.4.7 and 14.10.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

76.30%

99.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Xwiki	Xwiki	< 13.10.11	—
Xwiki	Xwiki	>= 14.4.0, < 14.4.7	—
Xwiki	Xwiki	14.10	Rc1

References

https://github.com/xwiki/xwiki-platform/commit/80d5be36f700adcd56b6c8eb3ed8b973f62ec0aePatch
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-f4v8-58f6-mwj4Patch, Vendor Advisory
https://jira.xwiki.org/browse/XWIKI-20279Exploit, Issue Tracking, Vendor Advisory
https://github.com/xwiki/xwiki-platform/commit/80d5be36f700adcd56b6c8eb3ed8b973f62ec0aePatch
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-f4v8-58f6-mwj4Patch, Vendor Advisory
https://jira.xwiki.org/browse/XWIKI-20279Exploit, Issue Tracking, Vendor Advisory

Timeline

Published: Apr 16, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-29509?

How severe is CVE-2023-29509?

CVE-2023-29509 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 76.30% probability of exploitation in the next 30 days.

How do I fix CVE-2023-29509?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-29509?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST