CVE-2019-16660 in joyplus-cms
Summary
by MITRE
joyplus-cms 1.6.0 has admin_ajax.php?action=savexml&tab=vodplay CSRF.
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Analysis
by VulDB Data Team • 12/27/2023
The vulnerability identified as CVE-2019-16660 affects joyplus-cms version 1.6.0 and represents a cross-site request forgery flaw located within the admin_ajax.php script. This specific weakness occurs when the application processes requests with the action parameter set to savexml and the tab parameter set to vodplay, creating an avenue for attackers to manipulate administrative functions through crafted malicious requests. The flaw exists within the content management system's administrative interface where user input validation and authentication checks are insufficient to prevent unauthorized modifications to video playback configurations.
This CSRF vulnerability stems from the absence of proper anti-CSRF tokens or other protective mechanisms within the administrative endpoints that handle XML configuration data. The attack vector becomes particularly dangerous because it allows an authenticated administrator to unknowingly execute malicious actions when visiting compromised websites or clicking on malicious links. The vulnerability is classified under CWE-352 which specifically addresses Cross-Site Request Forgery weaknesses, where the system fails to validate that requests originate from legitimate sources within the same origin. The flaw enables attackers to modify video playback settings without proper authorization, potentially leading to service disruption or unauthorized content manipulation.
The operational impact of this vulnerability extends beyond simple configuration changes as it can be leveraged to alter video streaming parameters, modify playback URLs, or inject malicious content into the video player configuration. Attackers could potentially redirect video streams to malicious servers, inject advertising content, or create denial-of-service conditions by corrupting playback configurations. The administrative interface's lack of proper session validation and request origin verification creates a persistent risk where any authenticated user session can be exploited. This vulnerability is particularly concerning in environments where the CMS is used for content distribution or streaming services, as it could lead to unauthorized content modification or service interruption.
Mitigation strategies for this CSRF vulnerability should include implementing robust anti-CSRF token mechanisms within all administrative endpoints, particularly those handling configuration data modifications. The system should require unique, unpredictable tokens for each request and validate these tokens against the user's session state. Additionally, implementing proper origin validation and implementing the SameSite cookie attributes can help prevent unauthorized cross-site requests. Organizations should also consider implementing request frequency monitoring and logging mechanisms to detect anomalous administrative activities. The solution aligns with ATT&CK technique T1078 which addresses legitimate credentials usage and privilege escalation, as this vulnerability exploits authenticated sessions to perform unauthorized actions. Regular security updates and input validation improvements are essential to prevent similar flaws from persisting in the application's administrative interfaces.