CVE-2025-31605 MEDIUM

CVE-2025-31605: WordPress Welcome Popup plugin <= 1.0.10 - Cross Site Scripting (XSS) vulnerability

Vendor Weblineindia
Product Welcome Popup
Weakness CWE-79 · XSS
Published March 31, 2025
Last update April 28, 2026
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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 WeblineIndia Welcome Popup welcome-popup allows Stored XSS.This issue affects Welcome Popup: from n/a through <= 1.0.10.

Explanation of Vulnerability in Simple Terms

02Summary

Welcome Popup versions up to 1.0.10 contain a cross-site scripting (XSS) vulnerability that allows authenticated administrators to inject malicious scripts. An attacker with high-level admin privileges can craft a popup configuration that executes JavaScript in other users' browsers when they view the popup. The vulnerability requires user interaction and affects the integrity and confidentiality of site data.

What an attacker can do

03Attacker Capabilities

Inject JavaScript code that runs in visitors' browsers when they view the popup.

Potential impact on your site

04Site Impact

A compromised admin account can inject malicious scripts affecting all site visitors who see the popup.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin access to the site and the victim must view the affected popup.

Key dates

06Disclosure timeline

March 31, 2025 CVE published
April 28, 2026 Record updated