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OpenAdvisories
Medium · 5.4 CVE-2023-0546 EUVD-2023-12591GHSA-hx6c-3qpr-f44p

FluentForms < 4.3.25 - Contributor+ Stored XSS via Custom HTML Form Field

Published Apr 10, 2023 · Updated Feb 11, 2025 · Assigned by WPScan

Description

The Contact Form Plugin WordPress plugin before 4.3.25 does not properly sanitize and escape the srcdoc attribute in iframes in it's custom HTML field type, allowing a logged in user with roles as low as contributor to inject arbitrary javascript into a form which will trigger for any visitor to the form or admins previewing or editing the form.

Affected products

VendorProductAffectedFixed
— Contact Form Plugin < 4.3.25 4.3.25

References