CVE-2026-11608

Received Received - Intake

Reflected Cross-Site Scripting in WP Customer Reviews Plugin

Publication date: 2026-09-19

Last updated on: 2026-09-19

Assigner: Wordfence

Description

The WP Customer Reviews plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'wpcr3_fname' parameter in all versions up to, and including, 3.7.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-19

Last Modified

2026-09-19

Generated

2026-09-20

AI Q&A

2026-09-20

EPSS Evaluated

N/A

NVD

CVE-2026-11608

Affected Vendors & Products

Vendor	Product	Version / Range
wp_customer_reviews	wp_customer_reviews	to 3.7.8 (inc)

Helpful Resources

Exploitability

CWE

KEV

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

Executive Summary

The WP Customer Reviews plugin for WordPress has a reflected cross-site scripting (XSS) vulnerability in versions up to 3.7.8. The flaw exists in the 'wpcr3_fname' parameter due to insufficient input sanitization and output escaping. Attackers can inject malicious scripts that execute when a user clicks a crafted link.

Detection Guidance

This vulnerability can be detected by checking if the WP Customer Reviews plugin version 3.7.8 or lower is installed on your WordPress site. Inspect the plugin files for unsanitized input handling in the 'wpcr3_fname' parameter. No specific commands are provided in the context.

Impact Analysis

Unauthenticated attackers could trick users into clicking a malicious link, leading to execution of arbitrary scripts in their browser. This could result in session hijacking, defacement, or theft of sensitive data like cookies or login credentials.

Mitigation Strategies

Immediately update the WP Customer Reviews plugin to the latest version beyond 3.7.8. If an update is unavailable, consider disabling or removing the plugin until a patch is released. Regularly audit plugins for similar vulnerabilities.

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