CVE-2026-103481: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in mpol Gwolle Guestbook
Description
The Gwolle Guestbook plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'permalink' parameter in all versions up to, and including, 5.1.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
CVSS v3.1
Score 6.1medium
Affected software
mpol
Gwolle Guestbook
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-09-30T16:14:43.574Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad1acbb2cdf04f656b600e2
Added to database: 10/16/2026, 04:48:59 UTC
Last updated: 10/16/2026, 04:48:59 UTC
Views: 1
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.