CVE-2026-4388

Description

The Form Maker by 10Web plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Matrix field (Text Box input type) in form submissions in all versions up to, and including, 1.15.40. This is due to insufficient input sanitization (`sanitize_text_field` strips tags but not quotes) and missing output escaping when rendering submission data in the admin Submissions view. This makes it possible for unauthenticated attackers to inject arbitrary JavaScript through a form submission that executes in the browser of an administrator who views the submission details.

References

• https://plugins.trac.wordpress.org/browser/form-maker/tags/1.15.37/admin/views/FormMakerSubmits.php#L166
• https://plugins.trac.wordpress.org/browser/form-maker/tags/1.15.37/admin/views/FormMakerSubmits.php#L169
• https://plugins.trac.wordpress.org/browser/form-maker/tags/1.15.37/frontend/models/form_maker.php#L2352
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3501693%40form-maker%2Ftrunk&old=3492680%40form-maker%2Ftrunk&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/197449f5-9304-49df-9261-a354145fc00e?source=cve