What is CVE-2022-23798?

CVE-2022-23798 is a medium-severity vulnerability in Joomla Joomla\!, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2022-03-30.

How severe is CVE-2022-23798?

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

Open Redirect in Joomla Joomla\!

CVE-2022-23798

An issue was discovered in Joomla! 2.5.0 through 3.10.6 & 4.0.0 through 4.1.0. Inadequate validation of URLs could result into an invalid check whether an redirect URL is internal or not.

Vulnerability class: Open Redirect

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: 0.006 (45.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · 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-601 — URL Redirection to Untrusted Site (Open Redirect)

References

developer.joomla.org/security-centre/875-20220306-core-inadequate-validation-of… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2022-23798?: CVE-2022-23798 is a medium-severity vulnerability in Joomla Joomla\!, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2022-03-30.
How severe is CVE-2022-23798?: Medium severity. CVSS v3 base score is 6.1 out of 10.