CVE-2025-15440 HIGH

CVE-2025-15440: iONE360 configurator <= 2.0.57 - Unauthenticated Stored Cross-Site Scripting via Contact Form Parameters

Vendor Ione360
Product iONE360 configurator
Weakness CWE-79 · XSS
Published February 11, 2026
Last update April 8, 2026

CVSS base score

7.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

The iONE360 configurator plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Contact Form Parameters in all versions up to, and including, 2.0.57 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Explanation of Vulnerability in Simple Terms

02Summary

The iONE360 configurator contains a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the application. An attacker can craft a malicious request that executes JavaScript in users' browsers, potentially stealing session tokens, credentials, or performing actions on behalf of the user. The vulnerability affects all versions up to and including 2.0.57 and requires no authentication or user interaction beyond visiting a compromised page.

What an attacker can do

03Attacker Capabilities

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

Potential impact on your site

04Site Impact

Users visiting the affected configurator may have their sessions hijacked, credentials stolen, or be redirected to malicious sites without their knowledge.

Conditions required to exploit

05Prerequisites

Network access to the application; no authentication required. Victim must visit a page containing the attacker's malicious payload.

Key dates

06Disclosure timeline

February 11, 2026 CVE published
April 8, 2026 Record updated

Related vulnerabilities

08Related CVE