WordPress Plugin Vulnerabilities
MetForm < 4.3.1 - Unauthenticated HTML Injection in Notification Emails via Field Shortcodes
Description
The plugin does not sanitize or escape submitted form-field values before inserting them into the HTML body of its email notifications, allowing unauthenticated attackers to inject arbitrary markup into the administrator and submitter notification emails the site sends.
Proof of Concept
Affects Plugins
Fixed in 4.3.1 References
CVE
Classification
Type
INJECTION
OWASP top 10
CVSS
Miscellaneous
Original Researcher
vuxvinh
Submitter
vuxvinh
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2026-10-01 (about 6 days ago)
Added
2026-10-01 (about 5 days ago)
Last Updated
2026-10-01 (about 5 days ago)
