CVE-2025-5254 in PAM
Summary
by MITRE • 07/25/2025
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Kron Technologies Kron PAM allows Stored XSS.
This issue affects Kron PAM: before 3.7.
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Analysis
by VulDB Data Team • 06/05/2026
This vulnerability represents a critical security flaw in Kron Technologies Kron PAM software where improper input validation enables stored cross-site scripting attacks. The weakness occurs during web page generation when user-supplied data is not adequately sanitized before being rendered in web interfaces. This allows malicious actors to inject malicious scripts that persist in the application's database and execute whenever affected pages are accessed by other users. The vulnerability specifically affects versions prior to 3.7 of the Kron PAM software, indicating a regression or oversight in the input sanitization mechanisms that should have been implemented in earlier releases. The stored nature of this XSS vulnerability means that once malicious code is injected, it remains active until manually removed from the system, creating a persistent threat vector that can compromise multiple users over extended periods. This type of vulnerability directly maps to CWE-79 which defines cross-site scripting as a common web application security flaw where untrusted data is incorporated into web pages without proper validation or encoding.
The operational impact of this vulnerability extends beyond simple data theft or session hijacking. Attackers can leverage this stored XSS to perform a wide range of malicious activities including credential theft, privilege escalation, and data exfiltration from authenticated users. The persistent nature of stored XSS means that even users who are not actively interacting with the compromised application may be affected when they view pages containing the malicious scripts. This creates a significant risk for privileged users who may be unknowingly exposed to attacks when performing routine administrative tasks within the Kron PAM interface. The vulnerability essentially provides attackers with a foothold that can be exploited across multiple sessions and user contexts, making it particularly dangerous in environments where privileged access is required for system administration and security management.
Organizations utilizing Kron PAM software must prioritize immediate remediation through the application of the vendor-supplied patch or upgrade to version 3.7 or later. The mitigation strategy should also include implementing additional security controls such as web application firewalls, input validation mechanisms, and regular security scanning of web applications. Security teams should conduct thorough audits of user inputs and implement proper output encoding techniques to prevent script execution in web contexts. The vulnerability demonstrates the importance of maintaining up-to-date software versions and implementing comprehensive security testing throughout the software development lifecycle. From an ATT&CK framework perspective, this vulnerability aligns with techniques involving client-side attacks and credential access through web application exploitation, emphasizing the need for layered defense mechanisms. Organizations should also consider implementing security awareness training for administrators who may inadvertently introduce malicious content through compromised user accounts or social engineering attacks that could exploit this vulnerability.