CVE-2010-1856 in RepairShop2
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in index.php in RepairShop2 1.9.023 Trial, when magic_quotes_gpc is disabled, allows remote attackers to inject arbitrary web script or HTML via the prod parameter in a products.details action.
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Analysis
by VulDB Data Team • 11/12/2025
The vulnerability identified as CVE-2010-1856 represents a critical cross-site scripting flaw within the RepairShop2 1.9.023 Trial web application. This security weakness resides in the index.php file and specifically targets the products.details action functionality where user input is processed without adequate sanitization measures. The vulnerability manifests when the PHP configuration parameter magic_quotes_gpc is disabled, creating an environment where malicious payloads can be successfully injected into the application's response. The prod parameter serves as the primary attack vector, allowing remote adversaries to execute arbitrary web scripts or HTML code within the context of other users' browsers who interact with the vulnerable application.
From a technical perspective, this vulnerability falls under the CWE-79 category of Cross-Site Scripting, which represents one of the most prevalent and dangerous web application security flaws. The flaw occurs because the application fails to properly validate and sanitize user-supplied input before incorporating it into dynamically generated HTML content. When magic_quotes_gpc is disabled, PHP does not automatically escape special characters in GET, POST, and COOKIE data, leaving the application susceptible to injection attacks. Attackers can craft malicious payloads that, when executed, can steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users. The exploitation requires no authentication and can be accomplished through simple HTTP requests containing crafted script tags or javascript code within the prod parameter.
The operational impact of this vulnerability extends beyond simple data theft or defacement. Attackers can leverage this XSS flaw to establish persistent sessions within victim browsers, potentially gaining unauthorized access to administrative functions or sensitive customer data. The vulnerability affects users who view product details pages, making it particularly dangerous for applications handling sensitive information. The trial version of RepairShop2 suggests this vulnerability could impact businesses using the software for customer service management, where customer data and business information might be exposed. This flaw enables attackers to perform session hijacking, data exfiltration, and can serve as a stepping stone for more sophisticated attacks within the network. The remote nature of the exploit means that attackers can target users from any location without requiring physical access to the system or network infrastructure.
Mitigation strategies for CVE-2010-1856 should focus on multiple defensive layers including immediate input validation and output encoding. The primary fix involves implementing proper parameter sanitization before any user input is processed, utilizing functions such as htmlspecialchars or similar encoding mechanisms to prevent script execution. Application developers should disable magic_quotes_gpc and implement comprehensive input validation routines that reject or sanitize potentially dangerous characters. The system should employ Content Security Policy headers to limit script execution and prevent unauthorized code injection. Regular security audits and code reviews should be conducted to identify similar vulnerabilities in other application components. Additionally, users should upgrade to patched versions of RepairShop2 if available, as this vulnerability was likely addressed in subsequent releases. Network monitoring should be enhanced to detect unusual traffic patterns that might indicate exploitation attempts. Organizations should also implement web application firewalls to provide additional protection against such attacks while maintaining proper logging and alerting mechanisms for security incident response. The vulnerability demonstrates the critical importance of input validation and output encoding practices in preventing XSS attacks, aligning with defensive measures recommended in the ATT&CK framework for web application security.