CVE-2022-4495 in collective.dms.basecontent
Summary
by MITRE • 12/14/2022
A vulnerability, which was classified as problematic, has been found in collective.dms.basecontent up to 1.6. This issue affects the function renderCell of the file src/collective/dms/basecontent/browser/column.py. The manipulation leads to cross site scripting. The attack may be initiated remotely. Upgrading to version 1.7 is able to address this issue. The name of the patch is 6c4d616fcc771822a14ebae5e23f3f6d96d134bd. It is recommended to upgrade the affected component. The identifier VDB-215813 was assigned to this vulnerability.
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Analysis
by VulDB Data Team • 01/12/2023
The vulnerability identified as CVE-2022-4495 represents a cross-site scripting vulnerability within the collective.dms.basecontent package, specifically affecting versions up to 1.6. This issue resides in the renderCell function of the file src/collective/dms/basecontent/browser/column.py, making it a critical security concern for systems utilizing this content management component. The vulnerability classification as problematic indicates significant risk potential, particularly given that the attack can be initiated remotely without requiring local system access, thereby expanding the attack surface considerably.
The technical flaw manifests through improper input validation and output encoding within the renderCell function, which fails to adequately sanitize user-supplied data before rendering it within web pages. This deficiency creates an environment where malicious actors can inject arbitrary JavaScript code through carefully crafted input parameters that are then executed in the context of other users' browsers. The vulnerability directly maps to CWE-79, which specifically addresses cross-site scripting flaws in web applications, and represents a classic example of how insufficient data sanitization can lead to severe security consequences. The remote exploitation capability aligns with ATT&CK technique T1190, which covers exploiting vulnerabilities in web applications to execute malicious code.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform session hijacking, steal sensitive information, manipulate user interfaces, or redirect users to malicious websites. Organizations relying on collective.dms.basecontent for document management and content rendering face potential data breaches, unauthorized access to sensitive documents, and compromise of user sessions. The vulnerability affects not just individual user experiences but can potentially impact entire organizational workflows where this component is integrated into document management systems.
The recommended mitigation strategy involves upgrading to version 1.7 of the collective.dms.basecontent package, which includes the patch identified by commit hash 6c4d616fcc771822a14ebae5e23f3f6d96d134bd. This upgrade addresses the root cause by implementing proper input validation and output encoding mechanisms within the renderCell function, ensuring that user-supplied data cannot be executed as scripts. Organizations should also implement additional defensive measures including web application firewalls, input validation at multiple layers, and regular security assessments of their content management systems. The vulnerability identifier VDB-215813 serves as a reference point for tracking and managing this specific security concern within vulnerability management systems and security monitoring frameworks.