CVE-2024-43999 MEDIUM

CVE-2024-43999: WordPress Ninja Forms plugin <= 3.8.11 - Cross Site Scripting (XSS) vulnerability

Vendor Saturday Drive
Product Ninja Forms
Weakness CWE-79 · XSS
Published September 17, 2024
Last update April 28, 2026

CVSS base score

5.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Saturday Drive Ninja Forms allows Stored XSS.This issue affects Ninja Forms: from n/a through 3.8.11.

Explanation of Vulnerability in Simple Terms

02Summary

Ninja Forms versions up to 3.8.11 contain a cross-site scripting (XSS) vulnerability that allows authenticated administrators to inject malicious scripts. An attacker with admin privileges can craft a request that, when visited by another user, executes JavaScript in their browser. This affects the form builder interface and can compromise site security or user data.

What an attacker can do

03Attacker Capabilities

Inject and execute JavaScript code in the browsers of other site users.

Potential impact on your site

04Site Impact

An admin account compromise could allow an attacker to inject malicious scripts affecting other users and administrators.

Conditions required to exploit

05Prerequisites

Attacker must have administrator privileges and the victim must visit a page containing the malicious payload.

Key dates

06Disclosure timeline

September 17, 2024 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE