CVE-2025-11819

Name of the Vulnerable Software and Affected Versions WP-Thumbnail versions up to and including 1.1

Description The WP-Thumbnail plugin for WordPress is susceptible to Stored Cross-Site Scripting through the roboshot shortcode. This is caused by inadequate input sanitization and output escaping of user-provided attributes. Authenticated attackers with contributor-level access or higher can inject malicious web scripts into pages. These scripts will execute each time a user views the affected page.

Recommendations Update WP-Thumbnail to a version newer than 1.1.