CVE-2022-1022 in chatwoot
Summary
by MITRE • 04/21/2022
Cross-site Scripting (XSS) - Stored in GitHub repository chatwoot/chatwoot prior to 2.5.0.
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Analysis
by VulDB Data Team • 04/28/2022
The vulnerability identified as CVE-2022-1022 represents a stored cross-site scripting flaw within the chatwoot repository management system, specifically affecting versions prior to 2.5.0. This issue resides in the web application's handling of user input within the chatwoot platform, which is designed for customer communication and support ticket management. The vulnerability manifests when malicious users can inject persistent script code into the application's data storage, which then executes whenever other users access the affected content. This type of vulnerability falls under the CWE-79 category of Cross-site Scripting and aligns with ATT&CK technique T1566.001 for initial access through malicious web content.
The technical implementation of this stored XSS vulnerability occurs when user-provided data containing malicious script tags is not properly sanitized or escaped before being stored in the database and subsequently rendered in the user interface. Attackers can exploit this weakness by crafting malicious payloads that include javascript code, which gets stored in the application's chat or message system. When other users view these stored messages, the malicious scripts execute in their browsers, potentially leading to session hijacking, credential theft, or redirection to malicious sites. The vulnerability affects the application's chat functionality where user-generated content is displayed, making it particularly dangerous in environments where multiple users interact through the platform's messaging system.
The operational impact of this vulnerability extends beyond simple data corruption or user experience degradation. An attacker who successfully exploits this stored XSS flaw can potentially compromise the entire user base of the chatwoot application, especially in enterprise environments where sensitive customer information is exchanged through the platform. The stored nature of the vulnerability means that malicious scripts persist even after the initial injection, allowing attackers to maintain access and execute commands over extended periods. This vulnerability particularly affects organizations relying on chatwoot for customer support, as it could enable attackers to steal session cookies, redirect users to phishing sites, or even escalate privileges within the application if proper access controls are not in place. The implications are especially severe given that chatwoot is used for customer communication, making it a prime target for attackers seeking to exploit user trust and access sensitive data.
Mitigation strategies for CVE-2022-1022 should prioritize immediate deployment of the patched version 2.5.0 or later, which addresses the input sanitization issues in the application's data handling processes. Organizations should implement comprehensive input validation and output encoding mechanisms throughout the application, particularly in areas where user-generated content is stored and displayed. Security measures should include implementing Content Security Policy headers to prevent execution of unauthorized scripts, enforcing strict sanitization of all user inputs, and utilizing parameterized queries or prepared statements to prevent injection attacks. Additionally, regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in the application's codebase, with particular attention to areas handling user input in web applications. The remediation process should also include comprehensive security training for developers to prevent similar issues in future code implementations, as this vulnerability demonstrates the critical importance of proper input validation in web application security. Organizations should also consider implementing web application firewalls and monitoring systems to detect and prevent exploitation attempts targeting this specific vulnerability class.