CVE-2007-2805 in ClientExec
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in index.php in ClientExec (CE) 3.0 beta2, and possibly other versions, allow remote attackers to inject arbitrary web script or HTML via the (1) ticketID, (2) view, and (3) fuse parameters.
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Analysis
by VulDB Data Team • 07/07/2025
The vulnerability identified as CVE-2007-2805 represents a critical cross-site scripting flaw in ClientExec version 3.0 beta2 and potentially other iterations of this web-based customer management system. This vulnerability resides within the index.php script which serves as the primary entry point for the application's web interface. The flaw manifests through three specific parameter injection points: ticketID, view, and fuse parameters that are processed without adequate input validation or output encoding. The vulnerability classification aligns with CWE-79 which defines cross-site scripting as the failure to properly escape output, allowing attackers to inject malicious scripts into web pages viewed by other users. This particular vulnerability operates under the ATT&CK framework category of T1059.001 for command and scripting interpreter, specifically targeting web application interfaces where user input is not properly sanitized.
The technical exploitation of this vulnerability occurs when remote attackers manipulate the three identified parameters to inject malicious JavaScript code or HTML content into the application's response. When legitimate users view pages containing these tainted parameters, their browsers execute the injected scripts within the context of the vulnerable application, potentially leading to session hijacking, credential theft, or unauthorized actions performed on behalf of the victim. The vulnerability is particularly dangerous because it affects core application functionality parameters that are commonly used in ticketing systems, making it highly likely that legitimate users would encounter these malicious payloads during normal operations. The lack of proper input sanitization means that attackers can bypass standard security measures such as content security policies that might otherwise prevent script execution.
The operational impact of CVE-2007-2805 extends beyond simple script injection as it fundamentally compromises the integrity and security of the entire ClientExec installation. Attackers could potentially escalate privileges, access sensitive customer data, manipulate ticketing workflows, or use the compromised system as a launch point for further attacks within the network. The vulnerability affects organizations that rely on ClientExec for customer management, billing, and support ticket handling, making it a significant concern for businesses handling sensitive customer information. The exploitation of these parameters demonstrates a classic injection attack pattern that has been documented extensively in web application security literature and represents one of the most common attack vectors in web-based applications.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application. Organizations should immediately patch their ClientExec installations to the latest stable version where this vulnerability has been addressed. Additionally, implementing proper parameter sanitization techniques including the use of whitelisting for parameter values, proper HTML entity encoding of all user-supplied content, and regular input validation checks can prevent exploitation attempts. Security measures should also include deploying web application firewalls that can detect and block malicious payloads targeting these specific parameter injection points. The vulnerability serves as a reminder of the critical importance of input validation in web applications and aligns with industry best practices outlined in OWASP Top Ten and NIST cybersecurity guidelines for preventing injection vulnerabilities in web-based systems.