CVE-2024-12842 in Emlog Pro
Summary
by MITRE • 12/20/2024
A vulnerability was found in Emlog Pro up to 2.4.1. It has been declared as problematic. This vulnerability affects unknown code of the file /admin/user.php. The manipulation of the argument keyword leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 06/06/2025
This vulnerability resides within Emlog Pro version 2.4.1 and earlier, specifically targeting the administrative user management interface at /admin/user.php. The flaw represents a classic cross-site scripting vulnerability that arises from inadequate input validation and output sanitization of the keyword argument parameter. The vulnerability is particularly concerning as it affects the administrative backend where privileged users manage system accounts, potentially allowing attackers to execute malicious scripts in the context of authenticated admin sessions.
The technical exploitation occurs when an attacker crafts a malicious payload containing script code within the keyword parameter of the user management interface. When the administrative user views the affected page, the malicious script executes in their browser, potentially leading to session hijacking, privilege escalation, or data exfiltration. This represents a type of server-side input validation failure that maps to CWE-79 - Cross-site Scripting and follows the ATT&CK technique T1059.007 - Command and Scripting Interpreter: JavaScript. The vulnerability's remote exploitability means attackers do not require physical access to the system or local network presence to carry out the attack.
The operational impact of this vulnerability extends beyond simple script execution as it compromises the integrity of the administrative interface. An attacker who successfully exploits this vulnerability could potentially modify user accounts, escalate privileges to full administrator access, or manipulate sensitive data within the Emlog Pro system. The disclosed exploit status significantly increases the risk level as malicious actors can readily implement the attack without requiring advanced technical skills. This vulnerability undermines the security model of the application by allowing unauthenticated remote code execution within the context of privileged administrative sessions.
Organizations running affected Emlog Pro versions should immediately implement mitigation strategies including input validation and output encoding for all user-supplied data in administrative interfaces. The recommended approach involves implementing strict sanitization of the keyword parameter to prevent script injection attempts and ensuring proper HTML encoding of all dynamic content before rendering in the browser. Additionally, implementing Content Security Policy headers can provide an additional layer of protection against script execution. Regular security updates and patch management procedures should be enforced to address similar vulnerabilities in the future. The vulnerability highlights the importance of input validation in administrative interfaces and demonstrates how seemingly minor flaws can lead to significant security breaches in content management systems.