CVE-2024-3192 in MailCleaner
Summary
by MITRE • 04/29/2024
A vulnerability, which was classified as problematic, was found in MailCleaner up to 2023.03.14. Affected is an unknown function of the component Admin Interface. The manipulation as part of Mail Message leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-262308.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 04/03/2025
The vulnerability identified as CVE-2024-3192 represents a critical cross site scripting flaw within the MailCleaner email security platform, specifically affecting versions up to 2023.03.14. This vulnerability resides within the Admin Interface component of the software, making it particularly dangerous as it targets the administrative control plane of the email filtering system. The flaw allows attackers to inject malicious scripts into email messages that are processed by the system, creating a persistent threat vector that can compromise the entire email infrastructure. The vulnerability's classification as problematic indicates its potential for significant impact on email security operations and organizational communications.
The technical implementation of this XSS vulnerability occurs through the manipulation of email message content within the administrative interface, where user input is not properly sanitized before being rendered back to users. This allows an attacker to craft malicious email content that, when viewed by an administrator through the MailCleaner interface, executes arbitrary JavaScript code in the context of the administrator's browser session. The attack vector is fully remote, meaning that no local access or physical presence is required to exploit the vulnerability, making it particularly dangerous for organizations that rely on web-based administrative interfaces for email security management. The vulnerability's discovery and public disclosure in VDB-262308 has elevated the risk profile significantly, as malicious actors can now leverage this flaw without requiring advanced technical skills or privileged access.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to escalate privileges and gain unauthorized access to the administrative functions of the MailCleaner system. This represents a direct threat to email security policies and organizational data protection measures, potentially allowing attackers to modify email filtering rules, access sensitive email content, or even redirect email traffic through the compromised system. The vulnerability directly violates security principles outlined in CWE-79, which addresses cross site scripting flaws, and aligns with ATT&CK technique T1059.007 for command and scripting interpreter usage. Organizations using MailCleaner in their email security infrastructure face potential exposure to advanced persistent threats that could compromise their entire email ecosystem and undermine their security posture.
The recommended mitigation strategy involves immediate application of the vendor-provided patch to address the XSS vulnerability in the Admin Interface component. Organizations should also implement network segmentation and access controls to limit administrative interface exposure, while monitoring for suspicious administrative activities that might indicate exploitation attempts. Additional defensive measures include implementing web application firewalls to detect and block malicious script injection attempts, conducting regular security assessments of the email infrastructure, and ensuring that all administrative users employ multi-factor authentication to limit the impact if the vulnerability is exploited. Security teams should also consider implementing content security policies and regular security awareness training for administrators to reduce the risk of successful exploitation through social engineering or other attack vectors.