CVE-2005-4243 in QuickPayPro
Summary
by MITRE
Multiple SQL injection vulnerabilities in QuickPayPro 3.1 allow remote attackers to execute arbitrary SQL commands via the (1) popupid parameter in popups.edit.php; (2) so, (3) sb, and (4) nr parameters in customer.tickets.view.php; (5) subrackingid parameter in subscribers.tracking.edit.php; (6) delete parameter in design.php; (7) trackingid parameter in tracking.details.php; and (8) customerid parameter in sales.view.php.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 11/16/2025
The CVE-2005-4243 vulnerability represents a critical SQL injection flaw affecting QuickPayPro 3.1, a web-based payment processing system. This vulnerability stems from inadequate input validation and sanitization within multiple PHP scripts, creating multiple entry points for malicious actors to inject arbitrary SQL commands into the database layer. The flaw manifests across eight distinct parameters in different files, demonstrating a systemic weakness in the application's security architecture. The vulnerability is particularly concerning as it allows remote attackers to execute arbitrary SQL commands without requiring authentication, potentially leading to complete database compromise and unauthorized access to sensitive payment information.
The technical implementation of this vulnerability follows the classic SQL injection pattern where user-supplied input is directly concatenated into SQL query strings without proper sanitization or parameterization. The affected parameters include popupid in popups.edit.php, so, sb, and nr in customer.tickets.view.php, subrackingid in subscribers.tracking.edit.php, delete in design.php, trackingid in tracking.details.php, and customerid in sales.view.php. These parameters are processed through standard PHP variable handling mechanisms without any input validation, making them susceptible to malicious SQL payloads. The vulnerability aligns with CWE-89, which specifically addresses improper neutralization of special elements used in SQL commands, and falls under the ATT&CK technique T1190 for exploiting vulnerabilities in web applications.
The operational impact of this vulnerability extends far beyond simple data theft, as it provides attackers with the capability to manipulate, delete, or extract sensitive payment data from the system. Successful exploitation could result in unauthorized fund transfers, customer data breaches, and complete system compromise. The vulnerability affects the entire customer payment processing workflow, potentially allowing attackers to view, modify, or delete customer records, transaction histories, and financial information. Organizations using QuickPayPro 3.1 would face significant regulatory and compliance risks, particularly under payment card industry standards such as PCI DSS, which mandate robust protection against SQL injection attacks. The remote nature of the vulnerability means that attackers can exploit it from anywhere on the internet, making it particularly dangerous for businesses that rely on online payment processing.
Mitigation strategies for CVE-2005-4243 should focus on implementing proper input validation, parameterized queries, and comprehensive output encoding throughout the application. The most effective immediate solution involves upgrading to a patched version of QuickPayPro or implementing proper input sanitization for all user-supplied parameters. Organizations should employ prepared statements or parameterized queries to prevent SQL injection, as recommended by OWASP and the ATT&CK framework. Additionally, implementing web application firewalls, input validation layers, and regular security testing can provide defense-in-depth measures. The vulnerability highlights the critical importance of following secure coding practices and adhering to industry standards such as those outlined in the OWASP Top 10, particularly focusing on the prevention of injection flaws that remain among the most prevalent and dangerous web application security vulnerabilities. Regular security audits and penetration testing should be conducted to identify and remediate similar vulnerabilities in other applications.