The BP Better Messages WordPress plugin before 1.9.9.41 sanitise (with sanitize_text_field) but does not escape the 'subject' parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issueCreditsBrandon RoldanReferenceshttps://wpscan.com/vulnerability/53ff82ec-00ec-4b20-8f60-db9db8c025b4https://plugins.trac.wordpress.org/changeset/2605772/bp-better-messages/trunk/views/layout-new.php
