CVE-2025-53239 HIGH

CVE-2025-53239: WordPress User Registration Aide Plugin <= 1.5.3.8 - Cross Site Scripting (XSS) Vulnerability

Vendor Bnovotny
Product User Registration Aide
Weakness CWE-79 · XSS
Published November 6, 2025
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/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 bnovotny User Registration Aide user-registration-aide allows Reflected XSS.This issue affects User Registration Aide: from n/a through <= 1.5.3.8.

Explanation of Vulnerability in Simple Terms

02Summary

User Registration Aide versions 1.5.3.8 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. The vulnerability requires user interaction—victims must visit a crafted link or page. The impact extends beyond the vulnerable component, potentially affecting other users and site functionality. Site administrators should update to a version newer than 1.5.3.8.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in users' browsers and steal data or perform actions on their behalf.

Potential impact on your site

04Site Impact

Users visiting crafted links could have their sessions hijacked, credentials stolen, or site functionality compromised.

Conditions required to exploit

05Prerequisites

No authentication required. Victim must click a malicious link or visit an attacker-controlled page.

Key dates

06Disclosure timeline

November 6, 2025 CVE published
April 28, 2026 Record updated