CVE-2003-1088 in Zorum
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in index.php for Zorum 3.4 and 3.5 allows remote attackers to inject arbitrary web script or HTML via the method parameter.
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Analysis
by VulDB Data Team • 07/20/2025
The vulnerability identified as CVE-2003-1088 represents a critical cross-site scripting flaw affecting Zorum versions 3.4 and 3.5. This security weakness resides within the index.php script where user input is improperly handled, creating an avenue for malicious actors to execute arbitrary web scripts or HTML code within the context of other users' browsers. The vulnerability specifically targets the method parameter, which serves as an entry point for attacker-controlled data that bypasses proper sanitization mechanisms.
This type of vulnerability falls under the Common Weakness Enumeration category CWE-79, which specifically addresses Cross-Site Scripting flaws in web applications. The technical implementation flaw occurs when the application fails to validate or sanitize input parameters before incorporating them into dynamically generated web content. In the case of Zorum 3.4 and 3.5, the method parameter receives user-supplied data without adequate filtering or encoding, allowing attackers to inject malicious payloads that execute in the victim's browser context. The vulnerability demonstrates a classic lack of input validation and output encoding practices that are fundamental to secure web application development.
The operational impact of this vulnerability extends beyond simple data theft or defacement. Attackers can leverage this weakness to perform session hijacking, redirect users to malicious sites, or steal sensitive information from authenticated sessions. The remote nature of the attack means that threat actors do not require physical access to the system or local network privileges to exploit the vulnerability. This makes the flaw particularly dangerous in environments where users may interact with the web application from various locations and devices, potentially exposing numerous users to coordinated attacks. The vulnerability also enables persistent XSS attacks where malicious scripts can remain embedded in the application's content and affect multiple users over time.
Mitigation strategies for CVE-2003-1088 should prioritize immediate patching of affected Zorum installations to version 3.6 or later where the vulnerability has been addressed through proper input validation and sanitization. Organizations should implement comprehensive input validation routines that filter or encode all user-supplied data before processing, particularly focusing on parameters like method that are frequently used in web application interfaces. The implementation of Content Security Policy headers can provide additional defense-in-depth measures by restricting the sources from which scripts can be loaded. Furthermore, regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other application components. According to the ATT&CK framework, this vulnerability maps to the T1059.007 technique for Command and Scripting Interpreter: JavaScript, highlighting the need for proper script execution controls and monitoring of suspicious JavaScript activity within the application environment.