CVE-2014-9500 in Moip
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the Moip module 7.x-1.x before 7.x-1.4 for Drupal allows remote attackers to inject arbitrary web script or HTML via unspecified vectors to the notification page callback.
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Analysis
by VulDB Data Team • 04/10/2018
The CVE-2014-9500 vulnerability represents a critical cross-site scripting flaw within the Moip module version 7.x-1.x of the Drupal content management system. This vulnerability specifically affects versions prior to 7.x-1.4 and resides in the notification page callback functionality that handles payment notifications from the Moip payment processing service. The flaw enables remote attackers to inject malicious web scripts or HTML content into the notification page, creating a persistent security risk for Drupal sites utilizing this payment module.
The technical implementation of this XSS vulnerability occurs through unspecified vectors within the notification page callback mechanism. When the Moip module processes incoming payment notifications, it fails to properly sanitize or validate input data received from the payment gateway before rendering it on the notification page. This insufficient input validation creates an opening for attackers to craft malicious payloads that execute within the context of other users' browsers who visit the affected notification page. The vulnerability operates at the application layer and can be exploited without requiring authentication or privileged access to the system.
The operational impact of this vulnerability extends beyond simple script injection, as it can potentially enable attackers to perform various malicious activities including session hijacking, credential theft, data exfiltration, and redirection to malicious websites. Since the notification page typically handles sensitive payment information and transaction details, successful exploitation could compromise the integrity of payment processing workflows and expose confidential user data. The vulnerability affects all Drupal sites running the affected Moip module version, making it particularly dangerous in environments where multiple users interact with payment processing functionality.
Organizations should immediately upgrade to Moip module version 7.x-1.4 or later, which contains the necessary patches to address this XSS vulnerability. System administrators should also implement additional security measures such as input validation, output encoding, and regular security audits of third-party modules. The vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws in software applications, and follows patterns commonly seen in web application security vulnerabilities categorized under the ATT&CK framework's web application attacks domain. Security monitoring should include detection of suspicious script injection patterns in notification page access logs, and network segmentation can help limit the potential impact of successful exploitation attempts.