WordPress · Gravity Booster – Styles & Layouts For Gravity Forms · CVE-2026-12477
**Name of the Vulnerable Software and Affected Versions**
Gravity Booster – Styles & Layouts for Gravity Forms versions prior to 5.27
**Description**
Stored Cross-Site Scripting occurs due to insufficient input sanitization and output escaping within the admin settings. Authenticated attackers with editor-level permissions or higher can inject arbitrary web scripts into pages. These scripts execute when a user accesses the affected page. This issue specifically impacts multi-site installations and environments where `unfiltered html` has been disabled.
**Recommendations**
Update Gravity Booster – Styles & Layouts for Gravity Forms to version 5.27 or later.