CVE-2012-4744 in Siche search module
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in ssearch.php in the Siche search module 0.5 for Zeroboard allows remote attackers to inject arbitrary web script or HTML via the search parameter.
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Analysis
by VulDB Data Team • 01/31/2018
The vulnerability identified as CVE-2012-4744 represents a classic cross-site scripting flaw within the Siche search module version 0.5 for Zeroboard platforms. This security weakness resides in the ssearch.php script which processes user input through the search parameter without adequate sanitization or validation mechanisms. The vulnerability manifests when malicious actors exploit the lack of input filtering to inject arbitrary web scripts or HTML code into the search functionality, potentially compromising user sessions and data integrity within the affected web application environment.
The technical implementation of this XSS vulnerability stems from improper handling of user-supplied data within the search module's processing pipeline. When users submit search queries through the ssearch.php endpoint, the application fails to properly encode or sanitize the input before rendering it back to the user interface. This creates an opening for attackers to embed malicious scripts that execute within the context of other users' browsers, leveraging the trust relationship between the web application and its end users. The vulnerability specifically targets the search parameter, making it accessible through standard GET request methods and potentially exploitable via various attack vectors including phishing campaigns or direct injection attempts.
The operational impact of this vulnerability extends beyond simple script execution, potentially enabling attackers to perform session hijacking, deface web applications, steal sensitive user information, or redirect victims to malicious websites. Given that Zeroboard is a content management system, the attack surface includes not only the search functionality but also the broader user interaction patterns within the platform. This vulnerability can be particularly dangerous in environments where users trust the application's content or where administrative functions are accessible through the same interface. The persistent nature of XSS attacks means that once exploited, malicious scripts can continue to execute against all subsequent users until the vulnerability is patched, creating a continuous threat vector.
Mitigation strategies for CVE-2012-4744 should prioritize immediate input validation and output encoding within the ssearch.php script. The most effective approach involves implementing proper HTML entity encoding on all user-supplied input before rendering it in the web response, which aligns with CWE-79 standards for cross-site scripting prevention. Additionally, developers should employ content security policies to restrict script execution contexts and implement proper parameter validation to ensure that search queries contain only expected character sets. Organizations should also consider implementing web application firewalls to detect and block suspicious input patterns, while maintaining regular security updates and vulnerability assessments to prevent similar issues in other components of the Zeroboard platform. This vulnerability demonstrates the critical importance of input sanitization and output encoding practices as outlined in the ATT&CK framework's web application exploitation techniques, particularly focusing on the persistence and execution phases of cyber attacks.