CVE-2024-28070 in MiContact Center Business
Summary
by MITRE • 03/16/2024
A vulnerability in the legacy chat component of Mitel MiContact Center Business through 10.0.0.4 could allow an unauthenticated attacker to conduct a reflected cross-site scripting (XSS) attack due to insufficient input validation. A successful exploit could allow an attacker to access sensitive information and gain unauthorized access.
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Analysis
by VulDB Data Team • 06/14/2025
The vulnerability identified as CVE-2024-28070 resides within the legacy chat component of Mitel MiContact Center Business version 10.0.0.4 and earlier, representing a critical security weakness that exposes organizations to targeted cross-site scripting attacks. This flaw specifically affects the application's handling of user input within the legacy chat functionality, where inadequate validation mechanisms fail to properly sanitize data received from external sources. The vulnerability stems from the application's insufficient filtering of input parameters that are subsequently reflected back to users without proper encoding or sanitization, creating an environment where malicious payloads can be injected and executed within the context of a victim's browser session.
The technical exploitation of this reflected XSS vulnerability occurs when an attacker crafts a malicious URL containing crafted script code within query parameters or other input fields that are processed by the legacy chat component. When an unsuspecting user clicks on the malicious link or visits a page containing the crafted payload, the script executes in the victim's browser context, potentially stealing session cookies, credentials, or other sensitive information. This type of vulnerability falls under CWE-79 which specifically addresses cross-site scripting flaws in software applications, where the system fails to properly validate or encode user-supplied data before including it in dynamically generated web content. The attack vector leverages the fundamental weakness in input validation mechanisms that should have prevented the execution of untrusted code within the application's user interface.
The operational impact of this vulnerability extends beyond simple data theft, as successful exploitation could enable attackers to establish persistent access to the Mitel MiContact Center Business environment. An attacker could leverage the XSS flaw to perform session hijacking attacks, steal user credentials, or even escalate privileges within the application if the victim has elevated access rights. The reflected nature of this attack means that the malicious script is not stored on the server but rather injected through a URL that the victim must click, making it particularly dangerous in phishing campaigns or when delivered through social engineering tactics. The vulnerability's presence in a contact center application creates additional risks as these systems often contain sensitive customer data, business communications, and operational information that could be accessed by unauthorized parties.
Organizations utilizing Mitel MiContact Center Business should prioritize immediate mitigation efforts to address this vulnerability, including implementing proper input validation and output encoding mechanisms across all user-facing components. The recommended remediation strategy involves applying the vendor's official security patches or updates as soon as they become available, while also implementing additional defensive measures such as content security policies to limit the execution of unauthorized scripts. Network-based protections including web application firewalls should be configured to detect and block known malicious patterns associated with XSS attacks, while also implementing proper input sanitization at all entry points to prevent malicious data from being processed by the application. Organizations should also conduct comprehensive security assessments to identify other potential vulnerabilities within the application's legacy components, as this flaw may indicate broader issues with input validation and security hardening practices. The vulnerability demonstrates the critical importance of maintaining up-to-date security measures and proper input validation mechanisms, particularly in legacy systems that may not have received the same level of security attention as newer application components.