CVE-2018-10049 in eSwap
Summary
by MITRE
iScripts eSwap v2.4 has XSS via the "registration_settings.php" txtDate parameter in the Admin Panel.
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Analysis
by VulDB Data Team • 01/24/2020
The vulnerability CVE-2018-10049 represents a cross-site scripting flaw discovered in iScripts eSwap version 2.4 within its administrative interface. This issue specifically affects the registration_settings.php script where the txtDate parameter fails to properly sanitize user input, creating an avenue for malicious actors to inject arbitrary JavaScript code into the web application. The vulnerability exists in the admin panel context, making it particularly concerning as it targets privileged users who have administrative access to the system. The flaw allows attackers to execute malicious scripts in the context of an authenticated administrator's browser session, potentially enabling complete compromise of the administrative interface and underlying system. This type of vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is classified as a critical security weakness in web applications.
The technical exploitation of this vulnerability requires an attacker to first gain access to the administrative panel, either through legitimate credentials or by compromising them through other means. Once inside the admin interface, the attacker can craft a malicious payload targeting the txtDate parameter in the registration_settings.php endpoint. The vulnerability stems from insufficient input validation and output encoding practices within the application's codebase, where user-supplied data is directly incorporated into web page responses without proper sanitization. This creates a persistent XSS vector that can be leveraged for session hijacking, credential theft, or redirection to malicious sites. The attack surface is particularly dangerous because administrative users typically possess elevated privileges and access to sensitive system configurations.
The operational impact of this vulnerability extends beyond simple script execution, as it can lead to complete administrative compromise of the eSwap platform. An attacker who successfully exploits this XSS vulnerability could modify registration settings, manipulate user accounts, access sensitive data, or even install malicious code that persists across system sessions. The vulnerability's location within the administrative panel means that successful exploitation could result in unauthorized changes to the application's core functionality, potentially affecting all users of the eSwap platform. This type of attack aligns with ATT&CK technique T1059.007 for Command and Scripting Interpreter, specifically targeting the execution of malicious scripts in the context of privileged users. The impact is further amplified by the fact that administrative users often have access to system configuration data, user management capabilities, and potentially database connections that could be leveraged for additional attacks.
Mitigation strategies for CVE-2018-10049 should focus on implementing robust input validation and output encoding mechanisms throughout the application's codebase, particularly within the administrative interfaces. The most effective immediate fix involves sanitizing all user input parameters, including the txtDate parameter, through proper encoding before incorporating them into web page responses. This approach aligns with the OWASP Top 10 prevention guidelines and addresses the root cause of the vulnerability. Organizations should also implement Content Security Policy headers to limit the execution of unauthorized scripts within the application context. Regular security assessments and code reviews should be conducted to identify similar input validation issues across the entire application. Additionally, implementing proper access controls and monitoring for suspicious administrative activities can help detect exploitation attempts. The remediation process should include updating to the latest version of iScripts eSwap where this vulnerability has been patched, as version 2.4 is known to contain this flaw and subsequent releases typically include security fixes for identified vulnerabilities.