CVE-2021-28145: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

May 24, 2022 (updated August 3, 2023)

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

References

documentation.concrete5.org/developers/introduction/version-history/855-release-notes
github.com/S1lkys/CVE-2021-40101
github.com/advisories/GHSA-7388-7vq2-m4f4
nvd.nist.gov/vuln/detail/CVE-2021-28145
www.concrete5.org/developers/security

Code Behaviors & Features

Detect and mitigate CVE-2021-28145 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →