CVE-2026-82125

The Schema & Structured Data for WP & AMP WordPress plugin before version 1.67 does not perform a capability check when saving several of its fields, nor escape them when outputting them back, allowing users with the editor role and above to inject arbitrary web scripts that execute when a higher privileged user views the affected screen. This is only exploitable on multisite installs, where editors do not hold the unfiltered_html capability.

The Schema & Structured Data for WP & AMP WordPress plugin before 1.60 does not check user capabilities on its frontend AJAX file-upload handlers and does not validate the actual content of uploaded files against the endpoint's intended media type, allowing unauthenticated users to upload any file type accepted by WordPress's media library through endpoints that should only accept images or videos.

The Schema & Structured Data for WP & AMP plugin version 1.66 and earlier contains a PHP Object Injection vulnerability that can be exploited by a user with Contributor role. The vulnerability allows injection of serialized PHP objects, potentially leading to arbitrary code execution or other unauthorized actions.

The Schema & Structured Data for WP & AMP plugin before 1.66 fails to check user permissions to edit a specific post when generating schema, allowing users with contributor role and above to read other users' draft, pending, private and password-protected posts.

The plugin before 1.66 does not check if a post is password protected before including its content in structured data, allowing unauthenticated users to obtain password-protected post content through multiple public output routes.

The Schema & Structured Data for WP & AMP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'saswp_tiny_multiple_faq' shortcode in all versions up to and including 1.51 due to insufficient input sanitization and output escaping on user-supplied attributes. An authenticated attacker with Contributor-level access or higher can inject arbitrary scripts that execute when a user visits the page.