CVE-2021-39318 H5P CSS Editor <= 1.0 Reflected Cross-Site Scripting

The H5P CSS Editor WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the h5p-css-file parameter found in the /h5p-css-editor.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0...

CVE-2021-39318

The CVE concerns the WordPress H5P CSS Editor plugin (versions