Vulnerability Summary Vulnerability Overview A Cross-Site Scripting (XSS) vulnerability exists in the WordPress plugin Shortcodes Ultimate. In the function within the file, the developer failed to properly escape user-supplied parameters (such as , , and ) before outputting them to HTML attributes. This allows attackers to inject JavaScript code by crafting malicious shortcode parameters. Scope of Impact Plugin Name: Shortcodes Ultimate Affected File: Affected Versions: Version 7.4.9 (and earlier versions, as indicated by the screenshot). Remediation Before concatenating user-supplied parameters ( , , , etc.) into HTML strings, the function must be used to escape them, preventing XSS attacks. POC / Exploit Code** The vulnerability is located at line 113 of the function, where unescaped variables like are directly concatenated: