CVE-2025-63059 MEDIUM

CVE-2025-63059: WordPress Ninja Popups plugin <= 4.7.8 - Cross Site Scripting (XSS) vulnerability

Vendor Arscode
Product Ninja Popups
Weakness CWE-79 · XSS
Published December 9, 2025
Last update April 28, 2026

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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in arscode Ninja Popups arscode-ninja-popups allows Stored XSS.This issue affects Ninja Popups: from n/a through <= 4.7.8.

Explanation of Vulnerability in Simple Terms

02Summary

Ninja Popups versions 4.7.8 and earlier contain a cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in other users' browsers when they interact with affected popups. The vulnerability requires user interaction and can affect site visitors across the application.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers to steal data or perform actions on their behalf.

Potential impact on your site

04Site Impact

Authenticated users can inject scripts affecting other site visitors; attackers could steal credentials, session tokens, or perform unauthorized actions.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account and the victim must view or interact with a popup containing the injected script.

Key dates

06Disclosure timeline

December 9, 2025 CVE published
April 28, 2026 Record updated