CVE-2026-25467
Deferred Deferred - Pending Action

Improper HTML Tag Neutralization in User Registration Plugin

Publication date: 2026-10-29

Last updated on: 2026-10-29

Assigner: Patchstack

Description
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in ThemeGrill User Registration user-registration allows Code Injection.This issue affects User Registration: from n/a through 5.3.0.

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Meta Information

Published
2026-10-29
Last Modified
2026-10-29
Generated
2026-10-29
AI Q&A
2026-10-29
EPSS Evaluated
N/A
NVD
CVE-2026-25467
EUVD
EUVD-2026-112913

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
ThemeGrill User Registration 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-80 The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages.

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Executive Summary

This is a Basic Cross-Site Scripting (XSS) vulnerability in the ThemeGrill User Registration plugin for WordPress. It allows attackers to inject malicious scripts or content into web pages by exploiting improper neutralization of HTML tags. The flaw exists in versions up to 5.3.0.

Detection Guidance

To detect this vulnerability, check the installed version of the User Registration plugin in your WordPress site. If the version is 5.3.0 or earlier, the system is vulnerable. You can verify this via the WordPress admin panel under Plugins or by inspecting the plugin files directly.

Impact Analysis

An attacker could inject unwanted content like ads, scams, or malware links into your website pages. This could damage your site's reputation, mislead visitors, or even spread malware to users. The vulnerability requires no authentication, making it easier for attackers to exploit.

Mitigation Strategies

Immediately update the User Registration plugin to version 5.3.1 or later. If updating is not possible, seek assistance from a hosting provider or web developer to apply necessary fixes or mitigations.

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