CVE-2018-1000084 in WolfCMS
Summary
by MITRE
WOlfCMS WolfCMS version version 0.8.3.1 contains a Stored Cross-Site Scripting vulnerability in Layout Name (from Layout tab) that can result in low privilege user can steal the cookie of admin user and compromise the admin account. This attack appear to be exploitable via Need to enter the Javascript code into Layout Name .
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Analysis
by VulDB Data Team • 02/21/2023
The vulnerability identified as CVE-2018-1000084 affects WolfCMS version 0.8.3.1 and represents a stored cross-site scripting flaw within the layout name functionality. This security weakness exists in the Layout tab of the content management system where user input is not properly sanitized or validated before being stored and subsequently rendered in the web interface. The vulnerability allows an attacker with low privilege user access to inject malicious javascript code into the layout name field, which then gets executed in the context of other users' browsers when they view the affected pages.
The technical exploitation of this vulnerability occurs through the manipulation of the Layout Name parameter within the Layout tab functionality. When an attacker enters javascript code into this field, the malicious payload is stored within the application's database and becomes persistent across sessions. This stored payload executes whenever the affected layout is rendered, potentially affecting any user who accesses pages utilizing that layout. The specific threat vector involves the ability to steal administrative cookies, which enables session hijacking attacks that can lead to complete administrative account compromise. The vulnerability's classification as stored XSS (CWE-79) means that the malicious input is permanently stored on the server and executed against users who access the affected content without any additional interaction from the victim beyond viewing the compromised page.
The operational impact of this vulnerability extends beyond simple session theft, as it represents a critical privilege escalation vector that can allow attackers to gain administrative control over the entire WolfCMS installation. Once an attacker has stolen admin cookies, they can perform any action within the CMS, including modifying content, adding new users, changing configurations, and potentially accessing sensitive data stored within the system. This vulnerability is particularly dangerous because it requires minimal user interaction beyond the initial injection phase, and the malicious code executes automatically whenever the affected layout is accessed. The attack surface is further expanded because the vulnerability exists in a core administrative functionality that is frequently used and accessed by legitimate administrators, making successful exploitation more likely.
Mitigation strategies for this vulnerability should focus on implementing proper input validation and output encoding mechanisms throughout the application's codebase, particularly in areas where user input is stored and later rendered. The recommended approach includes implementing strict sanitization of all user-supplied data entered into the layout name field, ensuring that any potentially malicious javascript code is removed or escaped before storage. Additionally, the application should implement Content Security Policy headers to prevent unauthorized script execution, and implement proper access controls to limit which users can modify layout names. This vulnerability aligns with ATT&CK technique T1548.002 for privilege escalation through session hijacking and demonstrates the importance of proper input validation as outlined in CWE-79. Regular security audits and code reviews should be conducted to identify similar vulnerabilities in other input fields and ensure that all user-supplied content is properly sanitized before being stored or displayed in the application interface.