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CVE PROGRAM SOURCE RECORD5.4 Medium

CVE-2026-86833

MetForm < 4.3.1 - Unauthenticated HTML Injection in Notification Emails via Field Shortcodes

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Status
Published
Published
Updated
Assigning organization
WPScan

Description

The MetForm WordPress plugin before 4.3.1 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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Unknown MetForm

Default version status: unaffected

  • 0 to < 4.3.1affected

References