CVE-2025-49947 HIGH

CVE-2025-49947: WordPress WooCommerce Registration Fields Plugin - Custom Signup Fields plugin <= 3.2.3 - Cross Site Scripting (XSS) vulnerability

Vendor Extendons
Product WooCommerce Registration Fields Plugin - Custom Signup Fields
Weakness CWE-79 · XSS
Published October 22, 2025
Last update April 28, 2026

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 extendons WooCommerce Registration Fields Plugin - Custom Signup Fields extendons-registration-fields allows Reflected XSS.This issue affects WooCommerce Registration Fields Plugin - Custom Signup Fields: from n/a through <= 3.2.3.

Explanation of Vulnerability in Simple Terms

02Summary

The WooCommerce Registration Fields Plugin contains a cross-site scripting (XSS) vulnerability in versions up to 3.2.3. An attacker can inject malicious scripts into custom signup fields that execute in users' browsers when they view the registration form or related pages. The vulnerability requires user interaction and can affect multiple users across the site.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in users' browsers when they interact with registration forms.

Potential impact on your site

04Site Impact

Attackers can steal user credentials, session tokens, or personal data submitted through registration forms.

Conditions required to exploit

05Prerequisites

No authentication required. Victim must visit a page containing the vulnerable registration form.

Key dates

06Disclosure timeline

October 22, 2025 CVE published
April 28, 2026 Record updated