MEDIUM 5.4 NVD

CVE-2026-86833

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 notifica

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.

References

https://wpscan.com/vulnerability/6d6850d6-6fdf-4b97-9ccb-c90f9ed01ab0/

Published: 2026-10-07 · Source: NVD · Feed updated: 2026-10-12

This medium severity vulnerability with a CVSS score of 5.4 was published on 2026-10-07 via NVD.

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