CVE-2025-30899 MEDIUM

CVE-2025-30899: WordPress User Registration plugin <= 4.0.3 - Cross Site Scripting (XSS) vulnerability

Vendor Wpeverest
Product User Registration
Weakness CWE-79 · XSS
Published March 27, 2025
Last update April 28, 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 wpeverest User Registration user-registration allows Stored XSS.This issue affects User Registration: from n/a through <= 4.0.3.

Explanation of Vulnerability in Simple Terms

02Summary

User Registration versions 4.0.3 and earlier contain a stored cross-site scripting (XSS) vulnerability. An authenticated administrator with high 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 site's integrity and confidentiality.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers when they visit the site.

Potential impact on your site

04Site Impact

Administrators could be tricked into visiting pages with injected scripts, potentially compromising their accounts or the site.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin privileges and the victim must visit a page containing the injected content.

Key dates

06Disclosure timeline

March 27, 2025 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE