WordPress Plugin Attach Gallery Posts Cross-Site Scripting

WordPress Plugin Attach Gallery Posts is prone to a cross-site scripting vulnerability because it fails to properly sanitize user-supplied input. An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks. WordPress Plugin Attach Gallery Posts version 1.6 is vulnerable prior versions may also be affected.