What is CVE-2023-3204?

CVE-2023-3204 is a medium-severity vulnerability in Extendthemes Materialis, classified under Missing Authorization. CVSS score: 6.5/10. Published 2024-06-20.

How severe is CVE-2023-3204?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Extendthemes Materialis

CVE-2023-3204

The Materialis theme for WordPress is vulnerable to limited arbitrary options updates in versions up to, and including, 1.1.24. This is due to missing authorization checks on the companion_disable_popup() function called via an AJAX action. This makes it possible for authenticated attackers, with minimal permissions such as subscribers, to modify any option on the site to a numerical value.

Vulnerability class: Broken Access Control

Published 2024-06-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (28.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Extendthemes Materialis — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

www.wordfence.com/threat-intel/vulnerabilities/id/a2e05094-8344-4388-a703-518da… (Third Party Advisory)
themes.trac.wordpress.org/browser/materialis/1.1.20/inc/companion.php (Product)
themes.trac.wordpress.org/changeset (Patch)

Frequently asked questions

What is CVE-2023-3204?: CVE-2023-3204 is a medium-severity vulnerability in Extendthemes Materialis, classified under Missing Authorization. CVSS score: 6.5/10. Published 2024-06-20.
How severe is CVE-2023-3204?: Medium severity. CVSS v3 base score is 6.5 out of 10.