CVE-2026-57373 MEDIUM

CVE-2026-57373: WordPress Funnel Kit Funnel Builder PRO plugin <= 3.15.0.4 - Cross Site Scripting (XSS) vulnerability

Vendor Wisetr Inc.
Product Funnel Kit Funnel Builder PRO
Weakness CWE-79 · XSS
Published July 23, 2026
Last update July 23, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Customer Cross Site Scripting (XSS) in Funnel Kit Funnel Builder PRO <= 3.15.0.4 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Funnel Kit Funnel Builder PRO versions up to 3.15.0.4 contain a cross-site scripting vulnerability that allows authenticated users to inject malicious scripts. An attacker with low-level access can craft a malicious link or page that, when visited by another user, executes arbitrary JavaScript in their browser. This can lead to session hijacking, credential theft, or unauthorized actions performed on behalf of the victim.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in other users' browsers to steal data or perform actions on their behalf.

Potential impact on your site

04Site Impact

Users' sessions and data are at risk if they interact with attacker-controlled content; site reputation and user trust may be damaged.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account on the site; victim must click a malicious link or visit a crafted page.

Key dates

06Disclosure timeline

July 23, 2026 CVE published
July 23, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-15393 Cozy Blocks <= 2.2.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'postMeta.font.size' Block Attribute CVE-2026-13362 SendPulse Email Marketing Newsletter <= 2.2.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via _sp_form_code Post Meta CVE-2026-7436 WPC Badge Management for WooCommerce <= 3.1.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'text' Attribute CVE-2026-7623 SureForms <= 2.8.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'headingWrapper' Block Attribute CVE-2026-15653 Visualizer <= 4.0.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'backend-title' Parameter