CVE-2007-6463 in Classifieds
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in the admin panel in PHP Real Estate Classifieds allow remote attackers to inject arbitrary web script or HTML via unspecified "text areas/boxes."
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 11/07/2017
The vulnerability identified as CVE-2007-6463 represents a critical security flaw in the PHP Real Estate Classifieds application that exposes its administrative interface to cross-site scripting attacks. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, specifically targeting the admin panel functionality where unauthorized users can exploit text input fields to execute malicious code. The flaw manifests in unspecified text areas and boxes within the administrative interface, creating an attack surface that allows remote exploitation without requiring authentication or privileged access.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding mechanisms within the PHP application's admin panel. When administrators or legitimate users interact with text input fields, the application fails to properly sanitize or escape user-supplied data before rendering it back to the browser. This creates a persistent XSS vector where attackers can inject malicious scripts that execute in the context of other users' browsers. The vulnerability is particularly dangerous because it targets the administrative interface, which typically contains sensitive functionality and access to critical system resources. Attackers who successfully exploit this vulnerability could potentially gain elevated privileges, modify system configurations, or access confidential data through the compromised admin session.
The operational impact of this vulnerability extends beyond simple script injection, as it fundamentally compromises the integrity and security of the entire classifieds platform. An attacker who successfully injects malicious code through the admin panel could potentially establish persistent backdoors, modify property listings, manipulate user accounts, or even gain full administrative control over the system. The remote nature of the attack means that threat actors can exploit this vulnerability from anywhere on the internet without requiring physical access to the server. This vulnerability directly relates to the ATT&CK technique T1059.001 for Command and Scripting Interpreter and T1566.001 for Phishing, as attackers can leverage the XSS to deliver malicious payloads and establish footholds within the network infrastructure.
Mitigation strategies for CVE-2007-6463 should focus on implementing robust input validation and output encoding practices throughout the application's codebase. The most effective approach involves sanitizing all user inputs before processing and ensuring that all dynamic content is properly escaped before being rendered in the browser. This includes implementing context-aware output encoding for different data types and implementing Content Security Policy headers to limit script execution. Organizations should also consider implementing Web Application Firewalls to detect and block suspicious input patterns, while regular security audits and code reviews should be conducted to identify similar vulnerabilities in other parts of the application. Additionally, the application should be updated to the latest version that includes proper XSS protection mechanisms, as this vulnerability was likely addressed in subsequent releases through improved input validation and output sanitization routines.