CVE-2026-1257 Administrative Shortcodes <= 0.3.4 - Authenticated (Contributor+) Local File Inclusion via 'slug' Shortcode Attribute

The Administrative Shortcodes plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 0.3.4 via the 'slug' attribute of the 'gettemplate' shortcode. This is due to insufficient path validation on user-supplied input passed to the gettemplatepart function...