Stored Cross-Site Scripting Vulnerability in Gravity Booster Plugin for WordPress
CVE-2026-12477

4.4MEDIUM

Key Information:

Vendor

WordPress
Status
Gravity Booster – Styles & Layouts For Gravity Forms
Vendor
CVE Published:
16 August 2026

What is CVE-2026-12477?

The Gravity Booster – Styles & Layouts for Gravity Forms plugin for WordPress is susceptible to a Stored Cross-Site Scripting vulnerability. This issue arises from inadequate input sanitization and output escaping in the admin settings, permitting authenticated attackers with editor-level permissions and above to inject arbitrary web scripts. These scripts can execute whenever a user accesses the affected pages, particularly impacting multi-site installations or those with unfiltered_html disabled. Users are urged to take caution and apply necessary updates to mitigate risks associated with this vulnerability.

Affected Version(s)

Gravity Booster – Styles & Layouts for Gravity Forms 0 <= 5.26

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/styles-and-lay...
https://plugins.trac.wordpress.org/browser/styles-and-lay...

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

wandoo
.