CVE-2026-66639
Received Received - Intake

Contributor XSS in WPZOOM Forms Gutenberg Plugin

Publication date: 2026-08-18

Last updated on: 2026-08-18

Assigner: Patchstack

Description
Contributor Cross Site Scripting (XSS) in WPZOOM Forms – Contact Form Plugin for Gutenberg <= 2.0.4 versions.

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Meta Information

Published
2026-08-18
Last Modified
2026-08-18
Generated
2026-08-18
AI Q&A
2026-08-18
EPSS Evaluated
N/A
NVD
CVE-2026-66639
EUVD
EUVD-2026-60924

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
wpzoom forms to 2.0.5 (exc)

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 is a Contributor Cross Site Scripting (XSS) vulnerability in the WPZOOM Forms – Contact Form Plugin for Gutenberg affecting versions 2.0.4 and below. It allows a privileged user to inject malicious scripts into the website through form submissions or links. These scripts execute when guests visit the site.

Detection Guidance

Detection involves checking for the vulnerable WPZOOM Forms plugin version 2.0.4 or below. Inspect WordPress installations for the plugin and verify its version. No specific commands are provided in the context.

Impact Analysis

A successful exploit could let attackers run malicious scripts on your website. This might lead to data theft, defacement, or unauthorized actions. Users visiting the site could be redirected to harmful sites or have their sessions hijacked.

Compliance Impact

This XSS vulnerability could compromise user data integrity and confidentiality, potentially violating GDPR and HIPAA requirements for data protection. It may lead to unauthorized access to sensitive information, triggering compliance violations.

Mitigation Strategies

Immediately update the WPZOOM Forms plugin to the latest version if available. If no patch exists, contact your hosting provider or web developer for assistance. Remove or disable the plugin if not essential.

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