Gwolle Guestbook, CVE-2025-5807

CVE, Research URL: CVE-2025-5807
Home page URL: Security reports for Gwolle Guestbook
Application: Gwolle Guestbook
Published on: Jul 10, 2025
Research Description: The Gwolle Guestbook plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘gwolle_gb_content’ parameter in all versions up to, and including, 4.9.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected versions: Min -, max 4.9.3.
Status: vulnerable