CVE-2026-57423
Received Received - Intake

Cross-Site Scripting in Message Filter for Contact Form 7

Publication date: 2026-07-13

Last updated on: 2026-07-13

Assigner: Patchstack

Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Kofi Mokome Message Filter for Contact Form 7 cf7-message-filter allows Reflected XSS.This issue affects Message Filter for Contact Form 7: from n/a through <= 1.6.3.8.

CVSS Scores

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Meta Information

Published
2026-07-13
Last Modified
2026-07-13
Generated
2026-07-13
AI Q&A
2026-07-13
EPSS Evaluated
N/A
NVD
CVE-2026-57423
EUVD
EUVD-2026-43350

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
kofi_mokome message_filter_for_contact_form_7 to 1.6.3.8 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

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Executive Summary

This vulnerability is a Cross-site Scripting (XSS) issue found in the Kofi Mokome Message Filter for Contact Form 7 plugin. It occurs because the plugin improperly neutralizes input during web page generation, allowing malicious scripts to be reflected back to users. This reflected XSS can be exploited when an attacker tricks a user into clicking a specially crafted link, causing the malicious script to run in the user's browser.

Impact Analysis

The vulnerability can lead to several impacts including unauthorized actions performed on behalf of the user, theft of sensitive information such as cookies or session tokens, and potential compromise of user accounts. Because the CVSS score is 7.1 with high impact on confidentiality, integrity, and availability, it indicates that attackers can cause significant harm by exploiting this reflected XSS vulnerability.

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