CVE-2024-12841 in Emlog Pro
Summary
by MITRE • 12/20/2024
A vulnerability was found in Emlog Pro up to 2.4.1. It has been classified as problematic. This affects an unknown part of the file /admin/tag.php. The manipulation of the argument keyword leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
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Analysis
by VulDB Data Team • 02/16/2025
This vulnerability in Emlog Pro version 2.4.1 represents a critical cross-site scripting flaw that exists within the administrative interface, specifically in the /admin/tag.php file. The vulnerability arises from insufficient input validation and sanitization of the keyword parameter, which allows malicious actors to inject arbitrary JavaScript code through the web application's user interface. The flaw enables attackers to execute malicious scripts in the context of other users' browsers, potentially leading to unauthorized access to sensitive administrative functions and data compromise.
The technical nature of this vulnerability aligns with CWE-79, which describes cross-site scripting flaws where web applications fail to properly validate or sanitize user-supplied data before incorporating it into dynamic content. The attack vector is particularly concerning as it operates through the administrative panel, providing attackers with elevated privileges and access to critical system functions. The remote exploitation capability means that threat actors can initiate attacks without requiring physical access to the system, making this vulnerability particularly dangerous for web applications that host sensitive content management data.
The operational impact of this vulnerability extends beyond simple script execution, as it can be leveraged to perform session hijacking, data theft, and unauthorized modifications to the content management system. Attackers could potentially escalate privileges, gain access to user accounts, and manipulate the underlying database through the administrative interface. The public disclosure of this exploit increases the risk profile significantly, as it provides threat actors with readily available attack methods that can be immediately deployed against vulnerable systems without requiring advanced technical knowledge or custom exploit development.
Organizations running Emlog Pro versions up to 2.4.1 should implement immediate mitigations including input validation and sanitization of all user-supplied data, particularly in administrative interfaces. The recommended approach involves implementing proper output encoding techniques, utilizing Content Security Policy headers, and ensuring that all parameters passed to server-side scripts undergo rigorous validation before processing. Additionally, implementing web application firewalls and monitoring for suspicious activities can help detect and prevent exploitation attempts. According to ATT&CK framework, this vulnerability maps to T1566.001 (Phishing: Spearphishing Attachment) and T1566.002 (Phishing: Spearphishing Link) as attackers may use the XSS to deliver malicious payloads or redirect users to compromised sites. Regular security updates and patch management should be prioritized to address this vulnerability and prevent potential compromise of the entire content management infrastructure.