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.
Metrics
Affected Vendors & Products
References
History
Fri, 09 Oct 2026 09:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Wordpress-extensions
Wordpress-extensions metform |
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| Vendors & Products |
Wordpress-extensions
Wordpress-extensions metform |
Wed, 07 Oct 2026 10:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-74 | |
| Metrics |
ssvc
|
Wed, 07 Oct 2026 08:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-1070 CWE-20 |
Wed, 07 Oct 2026 07:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | MetForm < 4.3.1 - Unauthenticated HTML Injection in Notification Emails via Field Shortcodes | |
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: WPScan
Published: 2026-10-07T06:47:51.929Z
Updated: 2026-10-07T09:49:40.451Z
Reserved: 2026-09-08T14:32:26.457Z
Link: CVE-2026-86833
Updated: 2026-10-07T09:49:36.187Z
Status : Deferred
Published: 2026-10-07T07:17:01.730
Modified: 2026-10-07T14:52:43.420
Link: CVE-2026-86833
No data.