Improper Input Neutralization in SimplyRETS Real Estate IDX

Executive Summary

This is a reflected cross-site scripting (XSS) vulnerability in SimplyRETS Real Estate IDX plugin. It allows attackers to inject malicious scripts into web pages viewed by users. The flaw occurs due to improper neutralization of user input during web page generation.

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Detection Guidance

To detect this reflected XSS vulnerability in SimplyRETS Real Estate IDX, monitor web traffic for suspicious input patterns in URLs or form submissions. Check for unusual JavaScript execution in browser consoles when accessing the application. Review server logs for requests containing script tags or event handlers like onerror or onload.

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Impact Analysis

An attacker could exploit this to steal user sessions, redirect users to malicious sites, or perform actions on behalf of users. It may lead to unauthorized data access, account takeovers, or defacement of web pages.

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Compliance Impact

This XSS vulnerability could violate GDPR by exposing user data or enabling unauthorized access. For HIPAA, it may compromise protected health information if exploited on healthcare-related sites. Both require protecting user data integrity and confidentiality.

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Mitigation Strategies

Update SimplyRETS Real Estate IDX to version 3.2.10 or later to address the reflected XSS vulnerability.

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