Concrete CMS Package: Macareux Security Header Extended
Add security header to mitigate some types of attacks
If you consider to mitigate CVE-2021-22954 without editing server configuration, you can use this add-on
Ref: CVE-2021-22954 and mitigations below Concrete Version 9
Supported Headers
Cross-Origin-Resource-Policy (CORP)
Cross-Origin-Opener-Policy (COOP)
Cross-Origin-