CVE-2024-22569 in POSCMS
Summary
by MITRE • 01/31/2024
Stored Cross-Site Scripting (XSS) vulnerability in POSCMS v4.6.2, allows attackers to execute arbitrary code via a crafted payload to /index.php?c=install&m=index&step=2&is_install_db=0.
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Analysis
by VulDB Data Team • 05/31/2025
The stored cross-site scripting vulnerability identified as CVE-2024-22569 affects POSCMS version 4.6.2 and represents a critical security flaw that enables attackers to inject malicious scripts into the application's database. This vulnerability specifically manifests within the installation process at the endpoint /index.php?c=install&m=index&step=2&is_install_db=0, where user-supplied input is not properly sanitized or validated before being stored and subsequently executed in the browser context of authenticated users. The flaw stems from inadequate input validation mechanisms that fail to neutralize potentially dangerous characters and script tags, creating an environment where malicious payloads can persist and propagate through the system.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious payload containing script code and submits it through the vulnerable installation step. During the database installation process, this payload gets stored in the application's database without proper sanitization. When legitimate users access the application or navigate to pages that retrieve this stored data, the malicious scripts execute in their browsers, potentially leading to session hijacking, credential theft, or further exploitation of the victim's system. This stored nature of the vulnerability makes it particularly dangerous as the malicious code persists even after the initial injection point, allowing for repeated execution against multiple users over time.
The operational impact of CVE-2024-22569 extends beyond simple script execution, as it can facilitate more sophisticated attack vectors including privilege escalation, data exfiltration, and lateral movement within the network. Attackers can leverage this vulnerability to establish persistent access to the application, manipulate user sessions, or redirect victims to malicious sites. The vulnerability's presence in the installation process suggests that it could affect not just end users but also administrators who might be executing installation procedures, potentially providing attackers with elevated privileges or access to sensitive system components. This makes the vulnerability particularly concerning for organizations that rely on POSCMS for critical business operations and customer data management.
Mitigation strategies for this vulnerability should focus on immediate input validation and sanitization measures that prevent malicious code from being stored in the database. Organizations should implement comprehensive output encoding mechanisms that neutralize potentially dangerous characters in all user-supplied data before storage. The recommended approach includes applying the latest security patches from POSCMS developers, implementing strict input validation rules that reject or sanitize script tags and executable code, and conducting thorough security reviews of all installation and configuration processes. Additionally, network monitoring should be enhanced to detect suspicious traffic patterns that may indicate exploitation attempts, while security teams should implement web application firewalls to filter out known malicious payloads. This vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws, and could be mapped to ATT&CK technique T1566 for credential access through social engineering or T1059 for command and scripting interpreter execution, depending on the specific attack vector employed by threat actors.