CVE-2025-49389 MEDIUM

CVE-2025-49389: WordPress Notice Bar Plugin <= 3.1.3 - Cross Site Scripting (XSS) Vulnerability

Vendor Wen Solutions
Product Notice Bar
Weakness CWE-79 · XSS
Published August 20, 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 WEN Solutions Notice Bar notice-bar allows Stored XSS.This issue affects Notice Bar: from n/a through <= 3.1.3.

Explanation of Vulnerability in Simple Terms

02Summary

Notice Bar versions 3.1.3 and earlier contain a cross-site scripting vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in other users' browsers when they view affected pages. The vulnerability requires user interaction and can affect the confidentiality, integrity, and availability of the site.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers to steal data, modify content, or disrupt site functionality.

Potential impact on your site

04Site Impact

Authenticated users can inject scripts affecting other visitors; impacts site security and user trust.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account and trick a user into visiting a crafted page or link.

Key dates

06Disclosure timeline

August 20, 2025 CVE published
April 28, 2026 Record updated