CVE-2025-64264 MEDIUM

CVE-2025-64264: WordPress Popup addon for Ninja Forms plugin <= 3.5.1 - Cross Site Scripting (XSS) vulnerability

Vendor Aman
Product Popup addon for Ninja Forms
Weakness CWE-79 · XSS
Published November 13, 2025
Last update April 28, 2026
View on NVD All CVEs

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 ('Cross-site Scripting') vulnerability in Aman Popup addon for Ninja Forms popup-addon-for-ninja-forms allows Stored XSS.This issue affects Popup addon for Ninja Forms: from n/a through <= 3.5.1.

Explanation of Vulnerability in Simple Terms

02Summary

The Popup addon for Ninja Forms contains a cross-site scripting (XSS) vulnerability in versions up to 3.5.1. An authenticated user with high privileges can inject malicious scripts that execute in other users' browsers when they interact with the affected component. The vulnerability requires user interaction to trigger. Impact is limited to low-level data exposure and site defacement.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers to steal data or modify page content.

Potential impact on your site

04Site Impact

An admin or high-privilege user could inject scripts affecting other site users, risking credential theft or unauthorized actions.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin privileges and the victim must click a link or visit a page containing the payload.

Key dates

06Disclosure timeline

November 13, 2025 CVE published
April 28, 2026 Record updated