CVE-2015-2244 in Webshop Hun
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Webshop hun 1.062S allow remote attackers to inject arbitrary web script or HTML via the (1) param, (2) center, (3) lap, (4) termid, or (5) nyelv_id parameter to index.php.
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Analysis
by VulDB Data Team • 05/01/2022
The vulnerability identified as CVE-2015-2244 represents a critical cross-site scripting flaw affecting the Webshop hun 1.062S web application. This vulnerability resides within the application's input validation mechanisms, specifically targeting multiple parameters within the index.php script that process user-supplied data without proper sanitization. The affected parameters include param, center, lap, termid, and nyelv_id, all of which can be manipulated by remote attackers to inject malicious web scripts or HTML content into the application's response. This type of vulnerability falls under the Common Weakness Enumeration category CWE-79, which specifically addresses cross-site scripting vulnerabilities where untrusted data is improperly incorporated into web pages served to users.
The technical exploitation of this vulnerability occurs when an attacker crafts malicious input payloads targeting any of the five vulnerable parameters in the index.php endpoint. When the web application processes these parameters without adequate input validation or output encoding, the injected scripts become executable within the context of other users' browsers who access the affected pages. This creates a persistent threat where malicious code can be executed in the victim's browser session, potentially leading to session hijacking, credential theft, or redirection to malicious sites. The vulnerability demonstrates a fundamental failure in the application's security architecture, particularly in its handling of user input and its lack of proper sanitization mechanisms.
The operational impact of CVE-2015-2244 extends beyond simple script injection, as it enables attackers to manipulate the application's behavior and potentially compromise user sessions. An attacker could leverage this vulnerability to steal session cookies, redirect users to phishing sites, or inject malicious content that appears legitimate to end users. The vulnerability's remote nature means that attackers do not require physical access or local network privileges to exploit the flaw, making it particularly dangerous in publicly accessible web applications. This type of vulnerability directly aligns with techniques documented in the MITRE ATT&CK framework under the web application attack patterns, specifically targeting the execution of malicious code through user input manipulation.
Mitigation strategies for this vulnerability must address the root cause through comprehensive input validation and output encoding practices. The primary remediation involves implementing strict parameter validation for all user-supplied inputs, particularly the five identified vulnerable parameters in index.php. Applications should employ proper HTML escaping and encoding mechanisms when rendering user-provided data within web pages, ensuring that any potentially malicious content is neutralized before display. Additionally, the implementation of Content Security Policy (CSP) headers can provide an additional layer of protection by restricting the sources from which scripts can be loaded. Organizations should also conduct regular security assessments and input validation testing to identify similar vulnerabilities in their web applications, as this type of flaw frequently occurs in legacy systems that lack modern security controls and proper sanitization protocols.