MEDIUM5.4

GHSA-7388-7vq2-m4f4

Concrete CMS Cross-site Scripting via Survey Blocks

Quick fix

GHSA-7388-7vq2-m4f4 — concrete5/concrete5: upgrade to the fixed version with the command below.

composer require concrete5/concrete5:^8.5.5

Details

Concrete CMS (formerly concrete5) before 8.5.5 allows remote authenticated users to conduct Cross-site Scripting (XSS) attacks via a crafted survey block. This requires at least Editor privileges.

Are you affected?

Enter the version of the package you're using.

Affected packages

Packagist/concrete5/concrete5

Introduced in: 0Fixed in: 8.5.5

Fixcomposer require concrete5/concrete5:^8.5.5

References

https://nvd.nist.gov/vuln/detail/CVE-2021-28145[ADVISORY]
https://documentation.concrete5.org/developers/introduction/version-history/855-release-notes[WEB]
https://github.com/S1lkys/CVE-2021-40101[WEB]
https://www.concrete5.org/developers/security[WEB]