CVE-2026-48966 HIGH

CVE-2026-48966: WordPress Funnel Builder by FunnelKit plugin <= 3.15.0.2 - Cross Site Scripting (XSS) vulnerability

Vendor Funnelkit

Product Funnel Builder by FunnelKit

Weakness CWE-79 · XSS

Published June 15, 2026

Last update June 16, 2026

View on NVD All CVEs

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

Unauthenticated Cross Site Scripting (XSS) in Funnel Builder by FunnelKit <= 3.15.0.2 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Funnel Builder by FunnelKit versions up to 3.15.0.2 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. The vulnerability requires user interaction—typically clicking a malicious link—and can affect multiple users across the site. An attacker can steal session cookies, redirect users, or deface page content.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in visitors' browsers, stealing cookies or redirecting users to phishing sites.

Potential impact on your site

04Site Impact

Visitors' sessions and credentials at risk; site reputation damage if used for phishing or malware distribution.

Conditions required to exploit

05Prerequisites

Attacker crafts a malicious link; victim must click it or visit a compromised page.

Key dates

06Disclosure timeline

June 15, 2026 CVE published

June 16, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-48966 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

Related vulnerabilities

Identifiers

CVE CVE-2026-48966

CWE CWE-79

CVSS 7.1 / HIGH

Affected versions