CVE-2026-103339
MEDIUMCVSS 6.5/10
Last modified
CVE-2026-103339 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Wpmet Metform metform allows Stored XSS.This issue affects Metform: from n/a through 4.3.0..
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Wpmet Metform metform allows Stored XSS.This issue affects Metform: from n/a through 4.3.0.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Wpmet | Metform | <= 4.3.0 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-103339?
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Wpmet Metform metform allows Stored XSS.This issue affects Metform: from n/a through 4.3.0.
How severe is CVE-2026-103339?
CVE-2026-103339 has a CVSS score of 6.5/10 (MEDIUM severity).
How do I fix CVE-2026-103339?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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-2026-103290Ghost versions 6.14.0 through versions prior to 6.27.0 conta…3.8
- CVE-2026-103291Ghost versions from 3.20.2 before 6.51.0 contain a server-si…6.4
- CVE-2026-103292Ghost versions from 0.5.3 through versions prior to 6.50.0 f…8
- CVE-2026-103321MISP contains a stored cross-site script (XSS) vulnerability…8.3
- CVE-2026-103336Insertion of Sensitive Information Into Sent Data vulnerabil…5.3
- CVE-2026-103338Improper Neutralization of Special Elements used in an SQL C…8.5
- CVE-2026-103340Missing Authorization vulnerability in Gemini Labs Site Revi…5.3
- CVE-2026-103341Missing Authorization vulnerability in Unlimited Elements Un…5.3
- CVE-2026-103343Improper Neutralization of Input During Web Page Generation …6.5
- CVE-2026-103345Insertion of Sensitive Information Into Sent Data vulnerabil…5.3
- CVE-2026-103353Incorrect Behavior Order vulnerability in WP ManageNinja LLC…5.3
- CVE-2026-103387A weakness has been identified in garycourt uri-js up to 4.4…4.3
Are you affected by CVE-2026-103339?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST