Stored Cross-Site Scripting Vulnerability in GitHub Gist Shortcode Plugin for WordPress

CVE-2025-12667

What is CVE-2025-12667?

The GitHub Gist Shortcode Plugin for WordPress is susceptible to Stored Cross-Site Scripting due to inadequate input sanitization and output escaping in the 'id' parameter of the 'gist' shortcode. This vulnerability allows authenticated attackers with Contributor-level access or higher to inject malicious scripts into web pages. These scripts can execute in the user's browser when they access affected pages, potentially leading to unauthorized actions, information theft, or compromise of user accounts.

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