Threat Entry Updated 2025-07-10

CVE-2025-5807 - Gwolle Guestbook Plugin

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.

PLUGIN Gwolle Guestbook

CVE-2025-5807

MEDIUM CVSS 6.1 2025-07-10

Risk Score

Open Full Technical Breakdown

Threat Entry Updated 2024-11-21

CVE-2021-24980 - Gwolle Guestbook Plugin

The Gwolle Guestbook WordPress plugin before 4.2.0 does not sanitise and escape the gwolle_gb_user_email parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue in an admin page

PLUGIN Gwolle Guestbook

CVE-2021-24980

MEDIUM CVSS 6.1 2021-12-27

Risk Score

Open Full Technical Breakdown