If-So Dynamic Content WordPress Plugin DOM XSS Vulnerability

Executive Summary

This is a reflected Cross-Site Scripting (XSS) vulnerability in the If-So Dynamic Content WordPress plugin versions 1.4.4 to 1.10.1. It occurs because the plugin does not validate the URL scheme of user-supplied input before reflecting it into a link on an admin page. Attackers can exploit this by tricking a logged-in user into clicking a crafted link, which executes arbitrary JavaScript in their browser.

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Detection Guidance

To detect this vulnerability, check if the If-So Dynamic Content WordPress plugin is installed and verify its version. If the version is between 1.4.4 and 1.10.1, the system is vulnerable. You can use commands like 'wp plugin list' in WordPress CLI or inspect the plugin files for version information.

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Impact Analysis

If you are a user of the affected plugin versions, an attacker could steal your session cookies, perform actions on your behalf, or redirect you to malicious websites. This could lead to unauthorized access to your WordPress admin panel or other sensitive data.

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Compliance Impact

This vulnerability could lead to data breaches, which may violate GDPR or HIPAA requirements for protecting user data. Organizations using the affected plugin versions may face compliance violations, legal penalties, or reputational damage if exploited.

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Mitigation Strategies

Immediately update the If-So Dynamic Content plugin to version 1.10.2 or later. If updating is not possible, consider disabling or removing the plugin until an update is applied. Regularly monitor for new updates and security advisories.

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