WordPress WP Quick FrontEnd Editor plugin <= 5.5 - Authenticated Content Injection vulnerability

Authenticated Content Injection vulnerability found by Jerome Bruandet in WordPress WP Quick FrontEnd Editor plugin versions = 5.5. Solution 2021-01-18 - we were unable to find a patched version of this plugin. WordPress.org notification: "This plugin has been closed as of October 23, 2020 and is...