CVE-2024-2820 in DedeCMS
Summary
by MITRE • 03/22/2024
A vulnerability classified as problematic was found in DedeCMS 5.7. Affected by this vulnerability is an unknown functionality of the file /src/dede/baidunews.php. The manipulation of the argument filename leads to cross-site request forgery. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-257707. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 04/13/2025
This vulnerability in DedeCMS 5.7 represents a cross-site request forgery flaw that exists within the baidunews.php file, specifically when processing the filename argument. The issue stems from inadequate validation and sanitization of user-supplied input parameters, allowing malicious actors to manipulate the application's behavior through crafted requests. The vulnerability's classification as problematic indicates a significant security risk that could potentially enable unauthorized actions within the CMS environment. The attack vector is remote, meaning that an attacker can exploit this weakness without requiring physical access to the target system, making it particularly dangerous for publicly accessible web applications.
The technical implementation of this CSRF vulnerability occurs when the application fails to properly validate or sanitize the filename parameter in the baidunews.php file. This allows attackers to construct malicious requests that could perform unauthorized operations on behalf of authenticated users. The flaw likely involves the absence of proper anti-CSRF tokens or insufficient session validation mechanisms when processing requests that modify application state or execute specific functions. According to CWE standards, this vulnerability maps to CWE-352, which specifically addresses Cross-Site Request Forgery weaknesses in web applications. The vulnerability's exposure through the baidunews.php endpoint suggests that it may be related to automated content submission or news feed processing functionality within the CMS, potentially allowing attackers to inject malicious content or trigger unintended system behaviors.
The operational impact of this vulnerability extends beyond simple data manipulation, as it could enable attackers to perform authenticated actions within the DedeCMS administrative interface. This includes potential file uploads, content modifications, or even privilege escalation if the affected functionality allows access to administrative features. The fact that this vulnerability has been publicly disclosed and is known to be exploitable creates an immediate risk for organizations running affected DedeCMS versions, as threat actors can leverage existing exploit code to compromise systems. The lack of vendor response to early disclosure attempts compounds the risk, leaving users without official patches or mitigation guidance during the critical period when the vulnerability is actively being exploited in the wild.
Organizations should immediately implement mitigations including input validation controls for the filename parameter, implementation of anti-CSRF tokens in all state-changing requests, and consideration of web application firewalls to detect and block malicious requests. The vulnerability's classification as a remote attack vector necessitates network-level protections such as intrusion detection systems and proper network segmentation. Security teams should also conduct comprehensive vulnerability assessments to identify similar issues within the DedeCMS installation and other applications. According to ATT&CK framework, this vulnerability would be categorized under T1566 for initial access through malicious file execution and potentially T1071 for application layer protocols. Organizations should also consider implementing the principle of least privilege and ensuring that administrative functions are properly protected against unauthorized access. The public disclosure of this vulnerability, combined with the vendor's lack of response, creates an urgent need for immediate remediation actions to prevent potential compromise of web applications running affected DedeCMS versions.