Vulnerability DatabaseCVE-2026-71573
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2026-71573
Published:August 18, 2026
Updated:September 23, 2026
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.
Affected Packages
https://github.com/joomla/joomla-cms.git (GITHUB):
Affected version(s) >=6.0.0 <6.1.3
Fix Suggestion:
Update to version 6.1.3
https://github.com/joomla/joomla-cms.git (GITHUB):
Affected version(s) >=4.0.0 <5.4.8
Fix Suggestion:
Update to version 5.4.8
Related Resources (2)
https://developer.joomla.org/security-centre/20260802-core-improper-cors-origin-validation.html
https://www.joomla.org/
Do you need more information?
Contact Us
CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
LOW
CVSS v3
Base Score:
8.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Weakness Type (CWE)
Improper Neutralization of CRLF Sequences ('CRLF Injection')
CWE-93
EPSS
Base Score:
0.25