Unauthenticated XSS in Parallax Section Block

Executive Summary

This is an Unauthenticated Cross Site Scripting (XSS) vulnerability in the Parallax Section block WordPress plugin versions up to 2.0.4. It allows attackers to inject malicious scripts into websites without authentication. Exploitation requires user interaction like clicking a malicious link.

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Detection Guidance

Check if the Parallax Section block plugin version is 2.0.4 or lower. Use WordPress admin panel to inspect installed plugins or run a command like 'wp plugin list' if using WP-CLI to verify versions.

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Impact Analysis

Attackers could steal visitor data, hijack user accounts, or spread malware. It may be used in large-scale attacks targeting many websites. Users might unknowingly expose sensitive information or have their sessions compromised.

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Compliance Impact

This XSS vulnerability could lead to data breaches, violating GDPR and HIPAA requirements for protecting user data. Organizations may face fines or legal consequences if exploited due to inadequate security measures.

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Mitigation Strategies

Update the Parallax Section block plugin to version 2.1.0 or later immediately. If updating is not possible, apply the mitigation rule provided by Patchstack or disable the plugin until an update is available.

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