WordPress Weaver Show Posts plugin <= 1.8.1 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'Additional Classes to Wrap Posts' Widget Setting vulnerability

Authenticated Administrator+ Stored Cross-Site Scripting via 'Additional Classes to Wrap Posts' Widget Setting vulnerability discovered by Muqsith Barru - TCC in WordPress Plugin Weaver Show Posts versions = 1.8.1...