CVE-2005-3972 in Extreme Search
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in extremesearch.php in Extreme Search Corporate Edition 6.0 and earlier allows remote attackers to inject arbitrary web script or HTML via the search parameter.
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Analysis
by VulDB Data Team • 06/29/2025
The vulnerability identified as CVE-2005-3972 represents a classic cross-site scripting flaw in the Extreme Search Corporate Edition software version 6.0 and earlier. This security weakness resides within the extremesearch.php script which processes user input through the search parameter, creating an avenue for malicious actors to execute arbitrary web scripts or HTML code within the context of other users' browsers. The vulnerability stems from inadequate input validation and output encoding mechanisms that fail to properly sanitize user-supplied data before incorporating it into dynamic web content.
This XSS vulnerability operates under CWE-79 which classifies it as a weakness in input validation and output encoding, specifically targeting the improper handling of untrusted data in web applications. The flaw enables attackers to inject malicious payloads that can persist in the application's search functionality and subsequently execute when other users view search results or interact with the affected page. The remote nature of this vulnerability means that attackers can exploit it without requiring local access to the system, making it particularly dangerous in corporate environments where the software is deployed.
The operational impact of this vulnerability extends beyond simple script injection, as it can be leveraged for session hijacking, credential theft, and redirection to malicious websites. Attackers can craft search queries that, when processed by the vulnerable application, will execute scripts in the browsers of other users who view the search results. This creates a persistent threat vector that can compromise user sessions, steal sensitive information, and potentially provide attackers with elevated privileges within the corporate network. The vulnerability affects the integrity and confidentiality of data processed by the Extreme Search Corporate Edition, undermining the security posture of organizations relying on this software.
Mitigation strategies for CVE-2005-3972 should prioritize immediate patching of the affected Extreme Search Corporate Edition software to version 6.1 or later, which contains the necessary security fixes. Organizations should implement comprehensive input validation and output encoding mechanisms to sanitize all user-supplied data before processing or displaying it within web pages. The implementation of Content Security Policy headers and proper HTML escaping techniques can provide additional defense-in-depth measures. Security teams should also consider deploying web application firewalls to detect and block malicious search queries, while conducting regular security assessments to identify similar vulnerabilities in other applications. The ATT&CK framework categorizes this vulnerability under T1566 for initial access through web applications, emphasizing the need for robust application security controls to prevent exploitation of such persistent threats in enterprise environments.