CVE-2025-58821 MEDIUM

CVE-2025-58821: WordPress WP Notification Bell plugin <= 1.4.6 - Cross Site Scripting (XSS) vulnerability

Vendor Wpdever
Product WP Notification Bell
Weakness CWE-79 · XSS
Published September 5, 2025
Last update May 12, 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 ('Cross-site Scripting') vulnerability in wpdever WP Notification Bell wp-notification-bell allows Stored XSS.This issue affects WP Notification Bell: from n/a through <= 1.4.6.

Explanation of Vulnerability in Simple Terms

02Summary

WP Notification Bell versions 1.4.6 and earlier contain a cross-site scripting (XSS) vulnerability. An authenticated administrator with high privileges can inject malicious scripts that execute in other users' browsers when they interact with the plugin. The vulnerability requires user interaction and affects the integrity and confidentiality of site data.

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

An admin account compromise could allow script injection affecting other users' sessions and data on your site.

Conditions required to exploit

05Prerequisites

Attacker must have administrator-level access and the victim must visit a page or click a link containing the malicious payload.

Key dates

06Disclosure timeline

September 5, 2025 CVE published
May 12, 2026 Record updated

Related vulnerabilities

08Related CVE