CVE-2022-37775 in PureConnect Interaction Web Tools Chat Service
Summary
by MITRE • 09/16/2022
Genesys PureConnect Interaction Web Tools Chat Service (up to at least 26- September- 2019) allows XSS within the Printable Chat History via the participant -> name JSON POST parameter.
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Analysis
by VulDB Data Team • 10/19/2022
The vulnerability identified as CVE-2022-37775 affects Genesys PureConnect Interaction Web Tools Chat Service version released by September 2019, representing a cross-site scripting flaw that can be exploited through the printable chat history functionality. This issue manifests when the system processes the participant name parameter within a JSON POST request, creating an avenue for malicious actors to inject persistent script code into the chat history output. The vulnerability exists in the web-based chat service component that generates printable chat histories for interaction records, making it particularly concerning for organizations that rely on these tools for customer service operations.
The technical exploitation of this vulnerability occurs through manipulation of the JSON POST parameter named participant -> name, where an attacker can inject malicious JavaScript code that gets rendered in the printable chat history. When the system generates the printable output, it fails to properly sanitize or escape the participant name field, allowing the injected script to execute in the context of the victim's browser session. This type of vulnerability falls under CWE-79 which specifically addresses cross-site scripting flaws, and represents a classic server-side injection vulnerability where user-controllable input is directly incorporated into web output without adequate validation or sanitization measures. The flaw demonstrates poor input handling practices and inadequate output encoding mechanisms that are fundamental requirements for preventing XSS attacks.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform session hijacking, steal sensitive customer data, or manipulate chat records to create false narratives. Organizations utilizing Genesys PureConnect for customer service interactions face significant risks when this vulnerability is exploited, as the chat history functionality is often used for quality assurance, training purposes, and customer dispute resolution. Attackers could potentially inject malicious scripts that redirect users to phishing sites, steal cookies or session tokens, or even modify the chat content to mislead support staff. The vulnerability is particularly dangerous in environments where customer privacy is paramount, as it could expose sensitive personal information contained within chat conversations.
Mitigation strategies for CVE-2022-37775 should prioritize immediate patching of the affected Genesys PureConnect Interaction Web Tools Chat Service, as the vendor would have likely released a security update addressing this specific XSS vulnerability. Organizations should also implement input validation and output encoding measures at the application level, ensuring that all user-supplied data, particularly in JSON parameters, undergoes proper sanitization before being incorporated into web responses. Network-level protections such as web application firewalls can provide additional defense-in-depth, though they should not replace proper code-level fixes. Security teams should also conduct comprehensive testing of all JSON endpoints to identify similar vulnerabilities, as this represents a broader class of input validation issues that can affect web applications. The remediation process should align with industry best practices for secure coding and follow guidelines established by organizations such as the Open Web Application Security Project, which emphasizes the importance of input validation and output encoding as primary defenses against XSS attacks.