CVE-2026-57816 HIGH

CVE-2026-57816: WordPress Funnel Builder by FunnelKit plugin <= 3.15.0.8 - Cross Site Scripting (XSS) vulnerability

Vendor Funnelkit
Product Funnel Builder by FunnelKit
Weakness CWE-79 · XSS
Published July 13, 2026
Last update July 13, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in FunnelKit Funnel Builder by FunnelKit funnel-builder allows Reflected XSS.This issue affects Funnel Builder by FunnelKit: from n/a through <= 3.15.0.8.

Explanation of Vulnerability in Simple Terms

02Summary

Funnel Builder by FunnelKit versions 3.15.0.8 and earlier contain a cross-site scripting (XSS) vulnerability. An attacker can inject malicious scripts that execute in users' browsers when they visit affected pages. The vulnerability requires user interaction and can affect multiple users across the site. Update to a version newer than 3.15.0.8 to remediate.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in visitors' browsers, stealing session tokens or redirecting users.

Potential impact on your site

04Site Impact

Visitors' browsers can be compromised; session tokens and credentials may be stolen or site functionality hijacked.

Conditions required to exploit

05Prerequisites

No authentication required. Victim must visit a page containing the attacker's malicious input.

Key dates

06Disclosure timeline

July 13, 2026 CVE published
July 13, 2026 Record updated

Related vulnerabilities

08Related CVE