Stored Cross-Site Scripting Vulnerability in Gwolle Guestbook Plugin for WordPress
CVE-2025-5807

6.1MEDIUM

Key Information:

Vendor

WordPress
Status
Gwolle Guestbook
Vendor
CVE Published:
10 July 2025

What is CVE-2025-5807?

The Gwolle Guestbook plugin for WordPress has a vulnerability that allows unauthenticated attackers to execute malicious scripts by injecting them into the 'gwolle_gb_content' parameter. This weakness stems from insufficient sanitization of user input and lack of proper output escaping, potentially compromising the security of websites using the plugin. All versions up to and including 4.9.2 are affected, making it critical for users to update to the latest version to prevent exploitation.

Affected Version(s)

Gwolle Guestbook * <= 4.9.2

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3316455/

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

D.Sim
.
CVE-2025-5807 : Stored Cross-Site Scripting Vulnerability in Gwolle Guestbook Plugin for WordPress