CVE-2025-14028 MEDIUM

CVE-2025-14028: Contact Us Simple Form <= 1.0 - Authenticated (Administrator+) Stored Cross-Site Scripting via Plugin Settings

Vendor Bruterdregz
Product Contact Us Simple Form
Weakness CWE-79 · XSS
Published January 7, 2026
Last update April 8, 2026

CVSS base score

4.4/10
Attack vector Network
Attack complexity High
Privileges required High
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

What the vulnerability does

01Description

The Contact Us Simple Form plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Explanation of Vulnerability in Simple Terms

02Summary

Contact Us Simple Form versions 1.0 and earlier contain a cross-site scripting (XSS) vulnerability in form handling. An authenticated administrator with high privileges can inject malicious scripts that affect other users or the site scope. The vulnerability requires specific attack conditions and does not allow code execution or data theft, but can compromise site integrity.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in other users' browsers or affect site functionality.

Potential impact on your site

04Site Impact

An admin account could be compromised to inject scripts affecting other users or site behavior.

Conditions required to exploit

05Prerequisites

Attacker must have high-level administrator privileges and network access to the site.

Key dates

06Disclosure timeline

January 7, 2026 CVE published
April 8, 2026 Record updated