CVE-2026-71573

UNKNOWN 0.0

Joomla! Core - [20260802] - Improper CORS origin validation in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

Joomla! Core - [20260802] - Improper CORS origin validation in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper implementation prevented configured CORS origins from being properly validated in CORS requests.

CWE	CWE-93
Vendor	joomla! project
Product	joomla! cms
Published	Aug 18, 2026

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Affected Versions

Joomla! Project / Joomla! CMS

4.0.0-5.4.6 6.0.0-6.1.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

joomla.org: https://www.joomla.org/ developer.joomla.org: https://developer.joomla.org/security-centre/20260802-core-improper-cors-origin-validation.html

Credits

Agamemnon Fakas caveeroo