CVE-2026-9278 is a medium-severity vulnerability (CVSS 5.4).
Summary
The Form Builder CP WordPress plugin before 1.2.47 does not properly sanitize a form configuration value before storing it and using it as part of a client-side script execution, allowing authenticated users with Editor-level access and above to perform Stored Cross-Site Scripting attacks against any visitor of a page rendering the affected form, even when the unfiltered_html capability is disallowed (e.g. in a multisite network).
Why MSPs should care
This vulnerability references tracked vendors: level.
Remediation
Apply the vendor’s update during your next patch window and verify exposure. Patch-management tools that can deploy and verify the fix include Action1, Automox, ManageEngine Patch Manager Plus, ManageEngine Endpoint Central. See our best patch management ranking.