CVE-2022-0375 in livehelperchat
Summary
by MITRE • 01/26/2022
Cross-site Scripting (XSS) - Stored in Packagist remdex/livehelperchat prior to 3.93v.
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Analysis
by VulDB Data Team • 01/29/2022
The vulnerability identified as CVE-2022-0375 represents a stored cross-site scripting flaw discovered in the Packagist remdex/livehelperchat application prior to version 3.93. This type of vulnerability falls under the CWE-79 category, which specifically addresses cross-site scripting conditions where malicious scripts are injected into web applications and subsequently executed in the context of other users' browsers. The issue manifests within the live helper chat system that serves as a customer support platform, making it particularly concerning for organizations relying on web-based communication tools.
The technical implementation of this stored XSS vulnerability occurs when user input is not properly sanitized or validated before being stored and subsequently rendered back to other users. In the context of live helper chat applications, this typically involves message content, user names, or other interactive elements that are submitted by users and then displayed to other participants in the chat interface. When an attacker crafts malicious input containing script code, this content gets stored in the application's database or storage mechanism, and then executes whenever other users view or interact with the affected content, creating a persistent threat vector.
The operational impact of this vulnerability extends beyond simple data theft or session hijacking, as it can enable attackers to perform a wide range of malicious activities within the compromised environment. Attackers can leverage stored XSS to steal session cookies, redirect users to malicious websites, inject malicious code into the victim's browser, or even perform actions on behalf of the victim within the chat application. Given that live helper chat systems often handle sensitive customer information, this vulnerability creates opportunities for data exfiltration, unauthorized access to customer communications, and potential escalation to more severe attacks within the application's ecosystem.
Organizations utilizing the affected live helper chat application should immediately implement comprehensive mitigation strategies including input validation and output encoding for all user-supplied content. The recommended remediation involves upgrading to version 3.93 or later where the vulnerability has been addressed through proper sanitization of user input and implementation of Content Security Policy headers. Security measures should also include regular security testing, including automated scanning for XSS vulnerabilities, and implementing web application firewalls that can detect and block malicious script injection attempts. Additionally, organizations should consider implementing proper access controls and monitoring mechanisms to detect unusual activities that might indicate exploitation of this vulnerability, aligning with ATT&CK framework techniques for command and control operations and credential access through web application attacks.