CVE-2026-12477

medium

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.

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/413e5515-6cc9-4fa9-908e-2dc68778f5cb?source=cve

https://plugins.trac.wordpress.org/changeset?reponame=&old=3637650%40styles-and-layouts-for-gravity-forms&new=3637650%40styles-and-layouts-for-gravity-forms

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

https://plugins.trac.wordpress.org/browser/styles-and-layouts-for-gravity-forms/tags/5.26/display/class-styles.php#L76

https://plugins.trac.wordpress.org/browser/styles-and-layouts-for-gravity-forms/tags/5.26/display/class-styles.php#L148

https://plugins.trac.wordpress.org/browser/styles-and-layouts-for-gravity-forms/tags/5.26/display/class-styles.php#L147

Details

Source: Mitre, NVD

Published: 2026-08-16

Updated: 2026-08-16

Risk Information

CVSS v2

Base Score: 3.2

Vector: CVSS2#AV:N/AC:H/Au:M/C:P/I:P/A:N

Severity: Low

CVSS v3

Base Score: 4.4

Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00258