Vulnerability in Regularlabs.com Sourcerer Extension For Joomla

CVE-2026-64796

Joomla Extension - regularlabs.com - various code injection vectors in Sourcerer extension - Free did not require both the article creator and last modifier to be Super Users before executing article PHP. Pro did not consistently enforce configured CSS, JavaScript and PHP permissions across tags, attributes, files and both article owners. PHP include attributes could also escape the configured include folder, and executable script/style variants could bypass detection.

EPSS: 0.003 (20.7th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-64796?
CVE-2026-64796 is a critical-severity vulnerability in Regularlabs.com Sourcerer Extension For Joomla, classified under Improper Access Control. CVSS score: 9.8/10. Published 2026-07-22.
How severe is CVE-2026-64796?
Critical severity. CVSS v3 base score is 9.8 out of 10.