CVE-2022-0612 in livehelperchat
Summary
by MITRE • 02/16/2022
Cross-site Scripting (XSS) - Stored in Packagist remdex/livehelperchat prior to 3.93v.
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Analysis
by VulDB Data Team • 02/18/2022
The vulnerability identified as CVE-2022-0612 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 attacks where malicious scripts are injected into web applications and subsequently executed in the context of other users' browsers. The vulnerability exists within the livehelperchat application's handling of user input, creating an environment where attackers can persistently inject malicious code that will execute whenever other users view affected content.
The technical implementation of this stored XSS vulnerability stems from insufficient input validation and output encoding within the application's data processing pipeline. When users submit content through various interface elements such as chat messages, form fields, or administrative inputs, the application fails to properly sanitize or encode the data before storing it in the database. This allows malicious actors to embed script tags or other malicious code within the submitted content, which then gets stored and retrieved without proper sanitization during subsequent user interactions. The vulnerability specifically affects the remdex/livehelperchat package, indicating that this is a third-party dependency that was not properly secured against malicious input injection.
The operational impact of this stored XSS vulnerability is significant as it allows attackers to execute arbitrary JavaScript code in the browsers of other users who interact with the compromised application. This can lead to session hijacking, credential theft, data exfiltration, and the potential for privilege escalation within the application's user context. Attackers could craft malicious payloads that steal cookies, redirect users to phishing sites, or perform actions on behalf of authenticated users. The stored nature of the vulnerability means that once the malicious code is injected, it will persistently affect all users who encounter the compromised content, making the attack particularly dangerous and long-lasting.
Mitigation strategies for CVE-2022-0612 should focus on immediate patching of the affected remdex/livehelperchat package to version 3.93 or later, which presumably contains the necessary security fixes. Organizations should implement comprehensive input validation and output encoding mechanisms throughout the application, ensuring that all user-supplied data is properly sanitized before being stored or rendered. The implementation of Content Security Policy headers can provide additional protection against script execution, while regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other components. This vulnerability also aligns with ATT&CK technique T1566, which covers social engineering through malicious content injection, highlighting the importance of user education and application security hardening measures to prevent successful exploitation attempts.