BaseFortify

Executive Summary

This vulnerability is a Cross Site Scripting (XSS) flaw found in the WordPress Contact Form Entries Plugin, versions 1.5.2 and below. It occurs due to improper neutralization of input during web page generation, allowing attackers to inject malicious scripts into websites.

When exploited, these malicious scripts can execute in the browsers of visitors, potentially causing harmful effects such as redirects, displaying unwanted advertisements, or other malicious HTML payloads.

Exploitation requires user interaction, like clicking a malicious link or visiting a crafted page.

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Impact Analysis

If exploited, this vulnerability can lead to attackers injecting malicious scripts that execute in the browsers of your website visitors.

• Visitors may be redirected to malicious sites.
• Unwanted advertisements or harmful content could be displayed.
• It could be used in large-scale exploit campaigns targeting many websites.

Such impacts can damage your website's reputation, compromise user trust, and potentially lead to further security issues.

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Detection Guidance

This vulnerability is a Reflected Cross Site Scripting (XSS) issue in the Contact Form Entries WordPress plugin versions 1.5.2 and below. Detection typically involves monitoring for suspicious HTTP requests that include malicious script payloads targeting the plugin's input fields.

While no specific commands are provided in the resources, common detection methods include using web application firewalls (WAF) with rules to detect XSS payloads, inspecting web server logs for unusual query parameters or POST data containing script tags, and using vulnerability scanners that target WordPress plugins for known XSS issues.

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Mitigation Strategies

The immediate recommended step is to update the Contact Form Entries plugin to version 1.5.3 or later, where this vulnerability has been patched.

Until the update can be applied, it is advised to implement mitigation rules provided by Patchstack to block attacks exploiting this vulnerability.

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