MEDIUM
GHSA-pvmx-mjmh-jfcx
Concrete CMS affected by a stored XSS in Folder Function.The "Add Folder" functionality
Quick fix
GHSA-pvmx-mjmh-jfcx — concrete5/concrete5: upgrade to the fixed version with the command below.
composer require concrete5/concrete5:^9.4.0RC1Details
Concrete CMS versions 9.0.0 through 9.3.9 are affected by a stored XSS in Folder Function.The "Add Folder" functionality lacks input sanitization, allowing a rogue admin to inject XSS payloads as folder names. The Concrete CMS security team gave this vulnerability a CVSS 4.0 Score of 4.8 with vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N. Versions below 9 are not affected. Thanks, Alfin Joseph for reporting.
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Affected packages
Packagist/concrete5/concrete5
Introduced in:
0Fixed in: 9.4.0RC1Fix
composer require concrete5/concrete5:^9.4.0RC1References
- https://nvd.nist.gov/vuln/detail/CVE-2025-0660[ADVISORY]
- https://github.com/concretecms/bedrock/pull/370[WEB]
- https://github.com/concretecms/concretecms/pull/12454[WEB]
- https://documentation.concretecms.org/9-x/developers/introduction/version-history/940-release-notes[WEB]
- https://github.com/concretecms/concretecms[PACKAGE]