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CVE-2026-12477

MEDIUM 4.4 CVSS 3.1
Published
August 16, 2026
Last modified
August 20, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

Description

The Gravity Booster – Styles & Layouts for Gravity Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 5.26 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with editor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Affected WordPress components

  • Gravity Booster – Styles & Layouts for Gravity Forms Plugin · styles-and-layouts-for-gravity-forms
    Confirmed match Active
    Up to and including 5.26
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • wpmonks Gravity Booster – Styles & Layouts for Gravity Forms — Up to and including 5.26

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/styles-and-layouts-for-gravity-forms/tags/5.26/display/class-styles.php#L147
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/styles-and-layouts-for-gravity-forms/tags/5.26/display/class-styles.php#L148
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/styles-and-layouts-for-gravity-forms/tags/5.26/display/class-styles.php#L76
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/styles-and-layouts-for-gravity-forms/tags/5.26/includes/admin/fetch/stla-admin-fetch-content-area.php#L290
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&old=3637650%40styles-and-layouts-for-gravity-forms&new=3637650%40styles-and-layouts-for-gravity-forms
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/413e5515-6cc9-4fa9-908e-2dc68778f5cb?source=cve
  • nvd.nist.gov Official NVD record