WordPress plugin
Gwolle Guestbook security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 8 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical1
- High1
- Medium6
- Low0
All Gwolle Guestbook vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.1 | Reflected Cross-Site Scripting via 'permalink' Parameter ≤5.1.1Update to 5.1.2 | CVE-2026-103481 | |
| Medium6.1 | Unauthenticated Stored Cross-Site Scripting via `gwolle_gb_content` Parameter ≤4.9.2Update to 4.9.3 | CVE-2025-5807 | |
| Medium6.1 | Reflected Cross-Site Scripting ≤4.7.1Update to 4.7.2 | CVE-2025-24710 | |
| Medium6.1 | Reflected Cross-Site Scripting ≤4.1.2Update to 4.2 | CVE-2021-24980 | |
| Medium6.1 | Cross-Site Scripting ≤2.5.3Update to 2.5.4 | CVE-2018-17884 | |
| Medium6.1 | Stored Cross-Site Scripting ≤2.1.0Update to 2.1.1 | — | |
| High8.8 | Cross-Site Request Forgery ≤2.1.0Update to 2.1.1 | — | |
| Critical9.0 | Remote File Inclusion <1.5.4Update to 1.5.4 | CVE-2015-8351 |
- Medium6.1Reflected Cross-Site Scripting via 'permalink' Parameter
≤5.1.1Update to 5.1.2
- Medium6.1Unauthenticated Stored Cross-Site Scripting via `gwolle_gb_content` Parameter
≤4.9.2Update to 4.9.3
- Medium6.1Reflected Cross-Site Scripting
≤4.7.1Update to 4.7.2
- Medium6.1Reflected Cross-Site Scripting
≤4.1.2Update to 4.2
- Medium6.1Cross-Site Scripting
≤2.5.3Update to 2.5.4
- Medium6.1Stored Cross-Site Scripting
≤2.1.0Update to 2.1.1
- High8.8Cross-Site Request Forgery
≤2.1.0Update to 2.1.1
- Critical9.0Remote File Inclusion
<1.5.4Update to 1.5.4
Gwolle Guestbook: common questions
Does Gwolle Guestbook have known vulnerabilities?
Yes. VulnCrest Radar lists 8 known vulnerabilities in Gwolle Guestbook: 1 critical, 1 high, 6 medium. None are known to affect version null.
How do I check which version of Gwolle Guestbook I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Gwolle Guestbook vulnerability?
CVE-2026-103481, published Oct 15, 2026: Gwolle Guestbook <= 5.1.1 - Reflected Cross-Site Scripting via 'permalink' Parameter. Severity: Medium (CVSS 6.1).
Is any Gwolle Guestbook vulnerability listed in CISA KEV?
No. None of the known Gwolle Guestbook vulnerabilities is currently listed in the CISA KEV catalog.