CVE-2014-8597 in PHP-Fusion
Summary
by MITRE • 02/17/2022
A reflected cross-site scripting (XSS) vulnerability in PHP-Fusion 7.02.07 allows remote attackers to inject arbitrary web script or HTML via the status parameter in the CMS admin panel.
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Analysis
by VulDB Data Team • 02/19/2022
The vulnerability identified as CVE-2014-8597 represents a critical reflected cross-site scripting flaw within PHP-Fusion version 7.02.07, specifically targeting the content management system's administrative interface. This security weakness resides in how the application processes the status parameter, creating an avenue for malicious actors to execute arbitrary web scripts or HTML code within the context of authenticated admin sessions. The flaw demonstrates characteristics consistent with CWE-79, which categorizes cross-site scripting vulnerabilities as a result of insufficient input validation and output encoding practices. Attackers can exploit this vulnerability by crafting malicious URLs containing crafted script payloads that are then reflected back to administrators who view the affected pages, effectively bypassing typical security controls that protect against such attacks.
The technical implementation of this vulnerability stems from inadequate sanitization of user-supplied input within the admin panel's status parameter handling mechanism. When administrators navigate to pages that process this parameter, the application fails to properly encode or validate the input before rendering it in the web response. This creates a scenario where malicious payloads can be executed in the browser context of authenticated users, potentially leading to session hijacking, privilege escalation, or data exfiltration. The reflected nature of this vulnerability means that the malicious script code is not stored on the server but rather injected through the request itself, making it particularly challenging to detect through traditional security monitoring approaches. The attack vector specifically targets the CMS admin panel, indicating that successful exploitation could provide attackers with elevated privileges and administrative control over the entire content management system.
The operational impact of CVE-2014-8597 extends beyond simple script injection, as it creates a pathway for sophisticated attacks that could compromise entire web applications. Administrators who fall victim to this reflected XSS attack could experience complete system compromise, as attackers could manipulate the CMS configuration, modify or delete content, and potentially establish persistent backdoors within the application. The vulnerability's presence in the admin panel makes it particularly dangerous since it directly targets privileged users with elevated system access. Security researchers have noted that this type of vulnerability aligns with ATT&CK technique T1059, which covers execution through scripting, and T1566, which encompasses social engineering tactics that leverage reflected XSS to gain initial access. The exploitation of this vulnerability could result in significant business disruption, data breaches, and reputational damage for organizations relying on PHP-Fusion for their web presence.
Mitigation strategies for CVE-2014-8597 require immediate implementation of input validation and output encoding measures within the PHP-Fusion application code. Organizations should implement proper parameter sanitization for all user inputs, particularly those processed in administrative contexts, and ensure that all output is properly encoded before being rendered in web responses. The recommended approach involves applying the official security patch released by PHP-Fusion developers, which addresses the specific input validation issues in the status parameter handling. Additionally, implementing web application firewalls with XSS detection capabilities and conducting regular security audits of application code can help prevent similar vulnerabilities from emerging in the future. Organizations should also consider implementing Content Security Policy headers to limit the execution of unauthorized scripts and establish comprehensive monitoring for suspicious parameter usage patterns that could indicate attempted exploitation of reflected XSS vulnerabilities.