CVE-2026-103481
Last modified
CVE-2026-103481 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| mpol | Gwolle Guestbook | <= 5.1.1 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-103481?
How severe is CVE-2026-103481?
How do I fix CVE-2026-103481?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-103474yii2-starter-kit through 4.2.0 fails to validate file types …8.8
- CVE-2026-103475yii2-starter-kit through 4.2.0 exposes the Yii debug and Gii…9.1
- CVE-2026-103476yii2-starter-kit through 4.2.0 fails to validate article pub…5.3
- CVE-2026-103478The Premium Packages – Sell Digital Products Securely plugin…6.4
- CVE-2026-103479The Pubjet | پابجت plugin for WordPress is vulnerable to Pr…7.6
- CVE-2026-103480The Tourfic – AI Powered Travel Booking, Hotel Booking & Car…6.4
- CVE-2026-103482The Simple Newsletter Plugin – Noptin plugin for WordPress i…5.4
- CVE-2026-103484IVFFlat index build in pgvector before 0.8.7 allows a databa…8.8
- CVE-2026-103485The Extensions for Leaflet Map plugin for WordPress is vulne…5.4
- CVE-2026-103488In JetBrains YouTrack before 2026.2.19422 missing authorisat…7.1
- CVE-2026-103489In JetBrains YouTrack before 2026.2.19422 hTML injection in …5.4
- CVE-2026-103490In JetBrains YouTrack before 2026.2.19422 privilege escalati…7.2
Are you affected by CVE-2026-103481?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST