CVE-2022-36583 in DedeCMS
Summary
by MITRE • 09/01/2022
DedeCMS V5.7.97 was discovered to contain multiple cross-site scripting (XSS) vulnerabilities at /dede/co_do.php via the dopost, rpok, and aid parameters.
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Analysis
by VulDB Data Team • 10/11/2022
The vulnerability identified as CVE-2022-36583 affects DedeCMS version 5.7.97 and represents a critical cross-site scripting flaw that compromises the security of web applications built on this content management system. This vulnerability resides within the /dede/co_do.php script and impacts three specific parameters: dopost, rpok, and aid. The issue stems from inadequate input validation and sanitization mechanisms that fail to properly filter user-supplied data before processing or rendering it within the application's response. Such vulnerabilities create an attack surface where malicious actors can inject malicious scripts into web pages viewed by other users, potentially leading to session hijacking, credential theft, or unauthorized access to sensitive data.
The technical exploitation of this vulnerability follows standard XSS attack patterns where attackers craft malicious payloads targeting the affected parameters. When these parameters receive unvalidated input, the application processes them without proper sanitization, allowing malicious JavaScript code to be executed in the context of other users' browsers. This type of vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws in web applications. The attack vector typically involves诱导用户点击恶意链接 or submitting forms containing malicious payloads through the vulnerable parameters. The dopost parameter likely handles various operations within the CMS, while rpok and aid parameters may correspond to specific record or action identifiers, making them particularly dangerous when manipulated by attackers.
The operational impact of this vulnerability extends beyond simple script injection, as it can enable sophisticated attack chains that compromise entire web applications and user sessions. Attackers can leverage this vulnerability to steal session cookies, redirect users to malicious sites, or even execute administrative actions if they can gain access to privileged accounts through session hijacking. The implications are particularly severe for content management systems like DedeCMS, which often handle sensitive administrative functions and user data. This vulnerability also aligns with ATT&CK technique T1531 which describes the use of malicious content to gain access to victim systems. Organizations using this version of DedeCMS face significant risk of unauthorized access, data breaches, and potential compromise of their entire web infrastructure if proper mitigations are not implemented promptly.
Mitigation strategies for this vulnerability should include immediate patching of the DedeCMS application to the latest secure version that addresses these XSS flaws. Input validation and sanitization should be implemented at multiple layers including parameter validation, output encoding, and content security policies. Web application firewalls can provide additional protection by filtering suspicious payloads before they reach the vulnerable application components. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other application components. Organizations should also implement proper access controls and monitor for unusual activities that might indicate exploitation attempts. The remediation process should follow industry best practices as outlined in OWASP Top 10 and NIST guidelines for web application security, ensuring that all user-supplied data is properly validated and sanitized before processing or rendering.