WordPress Web Instant Messenger plugin <= 1.1.2 - Unauthenticated Persistent Cross-Site Scripting (XSS) vulnerability

Unauthenticated Persistent Cross-Site Scripting XSS vulnerability discovered by m0ze Ex.Mi in WordPress Web Instant Messenger plugin versions = 1.1.2. Solution 2021-03-19 - we were unable to find a patched version of this plugin. WordPress.org notice: "This plugin has been closed as of October 21...