CVE-2022-0372 in crater-invoice
Summary
by MITRE • 01/27/2022
Cross-site Scripting (XSS) - Stored in Packagist bytefury/crater prior to 6.0.2.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 01/29/2022
The vulnerability identified as CVE-2022-0372 represents a stored cross-site scripting flaw within the Packagist bytefury/crater package prior to version 6.0.2. This issue falls under the category of persistent XSS attacks where malicious scripts are stored on the server and executed whenever users access affected pages. The vulnerability stems from inadequate input validation and output encoding mechanisms within the application's data handling processes, allowing attackers to inject malicious JavaScript code through user-controllable parameters that are subsequently rendered without proper sanitization.
The technical implementation of this flaw demonstrates a classic stored XSS vulnerability pattern where user input flows directly into the application's response without appropriate security controls. The vulnerability likely occurs when user-generated content or configuration parameters are processed and stored in the database without proper sanitization, then later retrieved and displayed in web pages without adequate HTML escaping or content security policy enforcement. This creates an environment where attackers can craft malicious payloads that execute in the context of other users' browsers, potentially leading to session hijacking, credential theft, or data exfiltration.
From an operational impact perspective, this vulnerability poses significant risks to organizations utilizing the affected package, as it enables attackers to compromise user sessions and potentially gain unauthorized access to sensitive information. The stored nature of the vulnerability means that once exploited, the malicious script persists and affects all users who view the affected content, making the attack particularly dangerous in multi-user environments. Attackers could leverage this vulnerability to steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users through the application's functionality.
Mitigation strategies for this vulnerability should include immediate patching to version 6.0.2 or later, which addresses the input validation and output encoding deficiencies. Organizations should also implement comprehensive input sanitization measures, including the use of proper HTML escaping for all dynamic content, implementation of Content Security Policies to restrict script execution, and regular security scanning of dependencies. Additionally, the principle of least privilege should be enforced when processing user input, and all user-controllable data should be validated against strict whitelists. This vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws, and represents a typical entry point for attackers following ATT&CK technique T1566 for initial access through malicious web content. Organizations should also conduct regular security audits of their software dependencies to identify and remediate similar vulnerabilities before they can be exploited in production environments.