WP Shortcodes Plugin Shortcodes Ultimate Stored Cross-Site Scripting Vulnerability

A stored cross-site scripting vulnerability has been identified in the WP Shortcodes Plugin - Shortcodes Ultimate for WordPress, affecting all versions through 7.4.8. The issue arises from inadequate input sanitization and output escaping in the 'su_slide_link' attachment meta field, particularly within the su_carousel shortcode. This vulnerability allows authenticated attackers with author-level access or higher to inject arbitrary web scripts into pages, which are executed when users access the affected page.

Impact

Exploitation of this vulnerability allows for stored cross-site scripting, where injected scripts are executed in the context of the user viewing the page.

Remediation

Users are advised to update the WP Shortcodes Plugin - Shortcodes Ultimate to version 7.4.9 or a newer patched version.