What is CVE-2023-30537?

CVE-2023-30537 is a critical-severity vulnerability in Xwiki, classified under Eval Injection. CVSS score: 9.9/10. Published 2023-04-16.

How severe is CVE-2023-30537?

Critical severity. CVSS v3 base score is 9.9 out of 10.

RCE in Xwiki

CVE-2023-30537

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with the right to add an object on a page 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 styles properties `FlamingoThemesCode.WebHome`. This page is installed by default. The vulnerability has been patched in XWiki versions 13.10.11, 14.4.7 and 14.10.

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

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:L.

EPSS exploit prediction

EPSS: 0.010 (62.8th percentile), scored 2026-10-08.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Xwiki
Xwiki Xwiki-Platform — versions >= 12.6.6, < 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-vrr8-fp7c-7qgp (Exploit, Patch, Vendor Advisory)
github.com/xwiki/xwiki-platform/commit/df596f15368342236f8899ca122af8f3df0fe2e8 (Patch)
jira.xwiki.org/browse/XWIKI-20280 (Exploit, Patch, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2023-30537?: CVE-2023-30537 is a critical-severity vulnerability in Xwiki, classified under Eval Injection. CVSS score: 9.9/10. Published 2023-04-16.
How severe is CVE-2023-30537?: Critical severity. CVSS v3 base score is 9.9 out of 10.