CVE-2015-3384 in Commerce Balanced Payments Module
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the Bank Account Listing Page in the Commerce Balanced Payments module for Drupal allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 03/19/2019
The CVE-2015-3384 vulnerability represents a critical cross-site scripting flaw within the Commerce Balanced Payments module for Drupal platforms. This security weakness specifically targets the Bank Account Listing Page functionality, creating a pathway for malicious actors to execute arbitrary web scripts or HTML code within the context of authenticated user sessions. The vulnerability affects Drupal installations that utilize the Commerce Balanced Payments module, which is commonly employed for payment processing and account management within e-commerce environments.
The technical implementation of this XSS vulnerability stems from inadequate input validation and output encoding mechanisms within the Bank Account Listing Page component. Attackers with authenticated access to the system can leverage this flaw by injecting malicious scripts through unspecified vectors that typically involve user-controllable parameters or form fields. The vulnerability manifests when the application fails to properly sanitize user-supplied data before rendering it in the web page context, allowing attackers to inject malicious payloads that execute in the browser of other users who view the affected page.
The operational impact of CVE-2015-3384 extends beyond simple script injection, as it can enable sophisticated attack vectors including session hijacking, credential theft, and data exfiltration. Since the vulnerability requires authenticated access, it primarily affects users with legitimate accounts within the Drupal system, though this still represents a significant security risk as it can be exploited to escalate privileges or compromise other users' sessions. The attack surface is particularly concerning in commerce environments where sensitive financial data is handled, as successful exploitation could lead to unauthorized transactions or complete account takeovers.
Organizations affected by this vulnerability should immediately implement the recommended security patches provided by the Drupal security team and the Commerce Balanced Payments module maintainers. The mitigation strategy should include comprehensive input validation across all user-controllable parameters within the affected module, along with proper output encoding to prevent script execution in web contexts. Additionally, implementing content security policies and regular security audits of custom modules can help identify similar vulnerabilities. This vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws, and represents a classic example of how authenticated XSS vulnerabilities can be exploited in commerce systems to compromise user sessions and sensitive data. The ATT&CK framework categorizes this as a web application attack vector that can be leveraged for privilege escalation and data theft within targeted environments.