CVE-2026-71573

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.

CVSS v3 8.3 HIGH

8.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope CHANGED

References

Link	Resource
https://developer.joomla.org/security-centre/20260802-core-improper-cors-origin-validation.html	Vendor Advisory Broken Link
https://www.joomla.org/	Product

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:joomla:joomla\!::::::::
	cpe:2.3:a:joomla:joomla\!::::::::

History

22 Oct 2026, 22:10

Type	Values Removed	Values Added
Summary		(es) Joomla! Core - [20260802] - Validación impropia del origen CORS en Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - Una implementación impropia impidió que los orígenes CORS configurados fueran validados correctamente en las solicitudes CORS.

Information

Published : 2026-08-18 17:17

Updated : 2026-10-22 22:10

NVD link : CVE-2026-71573

Mitre link : CVE-2026-71573

CVE.ORG link : CVE-2026-71573

JSON object : View

Products Affected

joomla

joomla\!

CWE

CWE-93

Improper Neutralization of CRLF Sequences ('CRLF Injection')

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