CVE-2026-18100 | BDVDB-2026-364173 Detail
roxnorMetForm – Contact Form, Survey, Quiz, Conditional Forms, Form Templates & Custom Form Builder for Elementor
Description#
The MetForm – Contact Form, Survey, Quiz, & Custom Form Builder for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'mf_form_id' Widget Setting in all versions up to, and including, 4.1.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The payload bypasses Elementor's save-time wp_kses_post filter because it contains no HTML tags, and MetForm's own str_replace transformation of script tags into JavaScript template literal expressions provides an additional delivery path.
Impact#
Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact none. Attack vector: network.
Weaknesses#
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References#
- https://www.wordfence.com/threat-intel/vulnerabilities/id/976f1f01-ad5d-413e-a208-ae4b71a61502?source=cve
- https://plugins.trac.wordpress.org/browser/metform/tags/4.1.8/utils/util.php#L605
- https://plugins.trac.wordpress.org/browser/metform/tags/4.1.8/controls/form-picker-utils.php#L45
- https://plugins.trac.wordpress.org/browser/metform/tags/4.1.8/widgets/form.php#L143
- https://plugins.trac.wordpress.org/browser/metform/tags/4.1.4/utils/util.php#L605
- https://plugins.trac.wordpress.org/browser/metform/tags/4.1.4/controls/form-picker-utils.php#L45
- https://plugins.trac.wordpress.org/browser/metform/tags/4.1.4/widgets/form.php#L143
- https://plugins.trac.wordpress.org/changeset?reponame=&new=3639278%40metform%2Ftrunk&old=3618333%40metform%2Ftrunk
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.