What is CVE-2022-23800?

CVE-2022-23800 is a medium-severity vulnerability in Joomla Joomla\!, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-03-30.

How severe is CVE-2022-23800?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Joomla Joomla\!

CVE-2022-23800

An issue was discovered in Joomla! 4.0.0 through 4.1.0. Inadequate content filtering leads to XSS vulnerabilities in various components.

Vulnerability class: XSS (Cross-Site Scripting)

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

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Joomla Joomla\!
Joomla! Project Cms — versions 4.0.0-4.1.0
Joomla! Project Joomla/filter — versions 1.0.0-1.4.3 & 2.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

developer.joomla.org/security-centre/877-20220308-core-inadequate-content-filte… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2022-23800?: CVE-2022-23800 is a medium-severity vulnerability in Joomla Joomla\!, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-03-30.
How severe is CVE-2022-23800?: Medium severity. CVSS v3 base score is 6.1 out of 10.