CVE-2022-43372 in Emlog Pro
Summary
by MITRE • 11/03/2022
Emlog Pro v1.7.1 was discovered to contain a reflected cross-site scripting (XSS) vulnerability at /admin/store.php.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 05/05/2025
The vulnerability identified as CVE-2022-43372 represents a critical security flaw in Emlog Pro version 1.7.1 that exposes the application to reflected cross-site scripting attacks. This issue specifically manifests within the administrative interface at the /admin/store.php endpoint, making it particularly dangerous as it targets the most privileged user role within the system. The reflected XSS vulnerability allows attackers to inject malicious scripts that execute in the context of authenticated administrator sessions, potentially enabling complete system compromise and unauthorized access to sensitive data.
The technical implementation of this vulnerability stems from insufficient input validation and output sanitization within the store.php administrative script. When user-supplied parameters are directly incorporated into HTTP responses without proper encoding or validation, attackers can craft malicious URLs containing script payloads that get executed when the page loads. This type of vulnerability falls under CWE-79 which specifically addresses cross-site scripting flaws in web applications. The attack vector typically involves sending a specially crafted link to an administrator through phishing or social engineering techniques, where clicking the link executes the malicious script in the administrator's browser session.
The operational impact of this vulnerability extends beyond simple script execution, as it provides attackers with elevated privileges and potential access to the entire administrative interface. An attacker who successfully exploits this vulnerability can manipulate the application's functionality, modify content, access confidential information, and potentially escalate privileges to gain full system control. The reflected nature of this XSS means that the malicious payload is not stored on the server but is instead delivered through the HTTP response, making detection more challenging for security monitoring systems. This vulnerability directly aligns with ATT&CK technique T1566.001 which covers social engineering through spearphishing attachments and links, making it particularly dangerous in enterprise environments where administrators frequently interact with external links.
Mitigation strategies for CVE-2022-43372 should prioritize immediate patching of the Emlog Pro application to the latest version that addresses this specific vulnerability. Organizations should implement comprehensive input validation and output encoding mechanisms throughout the application, particularly for all parameters processed in administrative interfaces. The implementation of Content Security Policy headers can provide additional defense-in-depth against XSS attacks by restricting script execution sources. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other application components. Network monitoring solutions should be configured to detect suspicious traffic patterns that may indicate XSS exploitation attempts, and user education programs should be implemented to reduce the risk of successful social engineering attacks targeting administrative accounts. The vulnerability demonstrates the critical importance of maintaining up-to-date software versions and implementing proper security controls in web application development lifecycle processes.