Stored XSS Vulnerability in MetForm Pro Plugin for WordPress
CVE-2026-1261

7.2HIGH

Key Information:

Vendor

WordPress
Status
Metform Pro
Vendor
CVE Published:
10 March 2026

What is CVE-2026-1261?

The MetForm Pro plugin for WordPress suffers from a vulnerability that allows stored cross-site scripting (XSS) via its Quiz feature. This flaw exists in all versions up to and including 3.9.6 and arises from inadequate input sanitization and output escaping mechanisms. As a result, unauthenticated attackers can inject harmful web scripts that are executed when users visit compromised pages, potentially leading to unauthorized data access and other malicious activities.

Affected Version(s)

MetForm Pro 0 <= 3.9.6

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/metform-pro/ta...
https://plugins.trac.wordpress.org/browser/metform-pro/ta...

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

andrea bocchetti
.