CVE-2025-4256 in SeaCMS
Summary
by MITRE • 05/05/2025
A vulnerability classified as problematic was found in SeaCMS 13.2. This vulnerability affects unknown code of the file /admin_paylog.php. The manipulation of the argument cstatus leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
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Analysis
by VulDB Data Team • 06/13/2025
This vulnerability resides within SeaCMS version 13.2, specifically in the administrative component located at /admin_paylog.php. The flaw represents a cross site scripting vulnerability that arises from improper input validation when processing the cstatus parameter. The vulnerability classification as problematic indicates a significant security risk that requires immediate attention from system administrators and security teams responsible for maintaining this content management system. The affected code path suggests that the application fails to adequately sanitize user-supplied input before incorporating it into dynamically generated web content, creating an avenue for malicious actors to inject arbitrary JavaScript code.
The technical nature of this vulnerability aligns with CWE-79, which describes cross site scripting flaws where untrusted data is embedded into web pages viewed by other users. The attack vector is remote, meaning that an attacker can exploit this vulnerability without requiring physical access to the target system or direct interaction with the server. The cstatus parameter serves as the entry point for malicious input, and when this parameter is manipulated with crafted script code, the application fails to properly encode or escape the output, allowing the injected JavaScript to execute within the context of other users' browsers. This creates a persistent threat where any user who views the affected administrative page could become compromised.
The operational impact of this vulnerability extends beyond simple script injection, as it can enable attackers to perform a wide range of malicious activities including session hijacking, credential theft, data exfiltration, and redirection to malicious websites. The public disclosure of the exploit increases the likelihood of real-world attacks, as threat actors can readily leverage this knowledge to compromise systems. Given that this affects the administrative interface, successful exploitation could potentially allow attackers to gain unauthorized access to sensitive payment logs and administrative functions, undermining the integrity and confidentiality of the system. The vulnerability's presence in an administrative component particularly amplifies its risk profile, as it could provide attackers with elevated privileges and access to critical system information.
Mitigation strategies should prioritize immediate patching of the affected SeaCMS version to address the input validation deficiencies in the admin_paylog.php file. Organizations should implement proper input sanitization and output encoding mechanisms to prevent XSS attacks, ensuring that all user-supplied parameters undergo rigorous validation before being processed or displayed. Network segmentation and access controls should be enforced to limit exposure of administrative interfaces to trusted networks only. The implementation of Content Security Policy headers can provide additional defense-in-depth measures to prevent execution of unauthorized scripts even if the vulnerability is exploited. Security monitoring should be enhanced to detect unusual patterns in administrative access and payment log queries. According to ATT&CK framework, this vulnerability maps to T1059.007 for scripting and T1566 for credential access, highlighting the potential for both code execution and privilege escalation attacks. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other components of the system.