CVE-2013-7274 in Wallpaperscript
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Wallpaper Script 3.5.0082 allows remote authenticated users to inject arbitrary web script or HTML via the title field in a wallpaper file upload.
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Analysis
by VulDB Data Team • 02/24/2025
The CVE-2013-7274 vulnerability represents a critical cross-site scripting flaw within Wallpaper Script version 3.5.0082 that enables authenticated attackers to execute malicious web scripts or HTML code through the wallpaper file upload functionality. This vulnerability resides in the application's insufficient input validation and output encoding mechanisms, specifically targeting the title field during file upload operations. The flaw allows an attacker with valid credentials to manipulate the application's behavior by injecting malicious payloads that can be executed in the context of other users' browsers. The vulnerability's classification as a persistent XSS issue means that the malicious code can be stored on the server and subsequently delivered to multiple users who view the affected wallpaper content.
The technical exploitation of this vulnerability occurs when an authenticated user uploads a wallpaper file containing malicious script within the title field. The application fails to properly sanitize or encode the user-supplied input before rendering it in the web interface, creating a pathway for attackers to inject JavaScript code or HTML elements. This flaw demonstrates poor secure coding practices and inadequate data validation controls that violate fundamental web application security principles. The vulnerability can be categorized under CWE-79 - Improper Neutralization of Input During Web Page Generation, which specifically addresses the failure to properly escape or encode user input before including it in web pages. The attack vector requires authentication, making it a privilege escalation vulnerability that can be leveraged by insiders or compromised accounts to affect other users within the application's user base.
The operational impact of CVE-2013-7274 extends beyond simple script execution, potentially enabling attackers to perform session hijacking, deface the application's interface, steal user credentials, or redirect victims to malicious websites. The vulnerability can be exploited to create persistent backdoors within the application environment, allowing for ongoing unauthorized access and data exfiltration. When combined with other attack techniques, this XSS vulnerability can serve as a stepping stone for more sophisticated attacks within the network. The affected application's user base becomes vulnerable to various malicious activities including credential theft through form grabbing, browser fingerprinting, and redirection to phishing sites. The vulnerability's persistence means that once exploited, the malicious payload remains active until manually removed by administrators, creating ongoing security risks for the organization.
Mitigation strategies for CVE-2013-7274 must address both immediate remediation and long-term security improvements. The primary solution involves implementing comprehensive input validation and output encoding mechanisms that properly sanitize all user-supplied data before processing or rendering. Organizations should deploy proper HTML escaping routines and implement Content Security Policy headers to prevent unauthorized script execution. The application should enforce strict validation of all file upload fields, including title fields, to reject or sanitize any potentially malicious content. Security measures should include regular security code reviews and automated static analysis tools to identify similar vulnerabilities in other parts of the application. Additionally, implementing proper access controls and monitoring user activities can help detect anomalous behavior that may indicate exploitation attempts. This vulnerability aligns with ATT&CK technique T1566.001 - Phishing: Spearphishing Attachment, as attackers can leverage the XSS to deliver malicious payloads through compromised user accounts. The remediation approach should also include regular patch management procedures and security awareness training for users to prevent credential compromise that could enable exploitation of this vulnerability.