Statmatic is a Laravel and Git powered content management system (CMS). Versions 5.73.8 and below in addition to 6.0.0-alpha.1 through 6.3.1 have a Stored XSS vulnerability in html fieldtypes which allows authenticated users with field management permissions to inject malicious JavaScript that executes when viewed by higher-privileged users. This issue has been fixed in 6.3.2 and 5.73.9.
https://github.com/statamic/cms/security/advisories/GHSA-8r7r-f4gm-wcpq
https://github.com/statamic/cms/commit/6c270dacc2be02bfc2eee500766f3309f59d47b3
https://github.com/statamic/cms/commit/11ae40e62edd3da044d37ebf264757a09cc2347b