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.

Score

CVSS 3.1 8.3 High

Status

Analyzed - security@joomla.org

Published

2026-08-18

Last modified

2026-10-22

Weaknesses

CWE-93

Affected products

• Joomla! (Joomla)
• Joomla Cms (Joomla Project)

References

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