CVE-2007-1795 in URLshrink
Summary
by MITRE
JCcorp URLshrink 1.3.1 allows remote attackers to execute arbitrary PHP code via the email address field in an HTML link. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
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Analysis
by VulDB Data Team • 09/15/2025
The vulnerability identified as CVE-2007-1795 affects JCcorp URLshrink version 1.3.1, a web application designed for URL shortening services. This flaw represents a critical security weakness that enables remote attackers to execute arbitrary PHP code on vulnerable systems. The vulnerability specifically targets the email address field within HTML links, demonstrating how seemingly benign input fields can become entry points for malicious code execution. The attack vector exploits improper input validation and sanitization mechanisms within the application's processing logic, allowing attackers to inject malicious PHP code that gets executed on the server.
This vulnerability falls under the category of code injection attacks and can be classified as CWE-94, which represents "Improper Control of Generation of Code ('Code Injection')" within the Common Weakness Enumeration framework. The flaw operates by failing to properly sanitize user-supplied input from the email address field, creating an environment where attacker-controlled code can be interpreted and executed by the PHP runtime engine. The lack of proper input filtering and validation creates a pathway for attackers to inject malicious payloads that can manipulate the application's behavior and potentially compromise the underlying server infrastructure.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with significant control over the affected system. Successful exploitation could enable attackers to access sensitive data, modify application functionality, establish persistent backdoors, or use the compromised server as a launch point for further attacks against other systems. The remote nature of the attack means that exploitation does not require physical access to the system, making it particularly dangerous for web applications that are publicly accessible. This vulnerability aligns with ATT&CK technique T1059.007, which covers "Command and Scripting Interpreter: PowerShell," though in this case the execution occurs through PHP rather than PowerShell, demonstrating how code injection can be achieved across different scripting environments.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security improvements. The primary solution involves implementing proper input validation and sanitization for all user-supplied data, particularly fields that are processed by the application's backend. Developers should employ parameterized queries and input filtering mechanisms to prevent malicious code from being executed. Additionally, the application should be updated to a patched version that addresses this specific vulnerability, as the original version 1.3.1 is no longer supported. Security measures should include regular code reviews, implementation of web application firewalls, and comprehensive testing of input handling mechanisms to prevent similar issues from occurring in future development cycles. Organizations should also consider implementing principle of least privilege access controls and monitoring for suspicious activities that might indicate exploitation attempts.