CVE-2023-0546: FluentForms < 4.3.25 - Contributor+ Stored XSS via Custom HTML Form Field
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 Software
Event History
Frequently Asked Questions
What is CVE-2023-0546?
CVE-2023-0546 is a vulnerability in the Contact Form Plugin WordPress plugin before version 4.3.25 that allows a logged-in user with roles as low as contributor to inject arbitrary JavaScript into a form.
What is the severity of CVE-2023-0546?
The severity of CVE-2023-0546 is medium with a CVSS score of 5.4.
How does CVE-2023-0546 occur?
CVE-2023-0546 occurs due to improper sanitization and escaping of the srcdoc attribute in iframes in the custom HTML field type of the Contact Form Plugin, which allows the injection of arbitrary JavaScript.
Which software is affected by CVE-2023-0546?
The Contact Form Plugin WordPress plugin before version 4.3.25 is affected by CVE-2023-0546.
How can CVE-2023-0546 be fixed?
To fix CVE-2023-0546, it is recommended to update the Contact Form Plugin to version 4.3.25 or later.