What is CVE-2023-23751?

CVE-2023-23751 is a medium-severity vulnerability in Joomla Joomla\!, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2023-02-01.

How severe is CVE-2023-23751?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Joomla Joomla\!

CVE-2023-23751

An issue was discovered in Joomla! 4.0.0 through 4.2.4. A missing ACL check allows non super-admin users to access com_actionlogs.

Vulnerability class: Broken Access Control

Published 2023-02-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (36.3th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.3% 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

Joomla Joomla\!
Joomla! Project Cms — versions 4.0.0-4.2.6

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

developer.joomla.org/security-centre/891-20230102-core-missing-acl-checks-for-c… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-23751?: CVE-2023-23751 is a medium-severity vulnerability in Joomla Joomla\!, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2023-02-01.
How severe is CVE-2023-23751?: Medium severity. CVSS v3 base score is 4.3 out of 10.