What is CVE-2022-23795?

CVE-2022-23795 is a critical-severity vulnerability in Joomla Joomla\!, classified under Improper Authentication. CVSS score: 9.8/10. Published 2022-03-30.

How severe is CVE-2022-23795?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Joomla Joomla\!

CVE-2022-23795

An issue was discovered in Joomla! 2.5.0 through 3.10.6 & 4.0.0 through 4.1.0. A user row was not bound to a specific authentication mechanism which could under very special circumstances allow an account takeover.

Vulnerability class: Broken Authentication

Published 2022-03-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (65.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Joomla Joomla\!
Joomla! Project Cms — versions 2.5.0-3.10.6 & 4.0.0-4.1.0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

developer.joomla.org/security-centre/872-20220303-core-user-row-are-not-bound-t… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2022-23795?: CVE-2022-23795 is a critical-severity vulnerability in Joomla Joomla\!, classified under Improper Authentication. CVSS score: 9.8/10. Published 2022-03-30.
How severe is CVE-2022-23795?: Critical severity. CVSS v3 base score is 9.8 out of 10.