MEDIUM4.8
GHSA-w9qg-chfh-g3q9
Concrete CMS has a stored Cross-site Scripting (XSS) vulnerability
Quick fix
GHSA-w9qg-chfh-g3q9 — concrete5/concrete5: upgrade to the fixed version with the command below.
composer require concrete5/concrete5:^9.4.8Details
In Concrete CMS below version 9.4.8, a rogue administrator can add stored XSS via the Switch Language block.
The Concrete CMS security team gave thanks M3dium for reporting.
Are you affected?
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Affected packages
Packagist/concrete5/concrete5
Introduced in:
0Fixed in: 9.4.8Fix
composer require concrete5/concrete5:^9.4.8