CVE-2015-4354 in Ubercart Webform Integration Module
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the Ubercart Webform Integration module before 6.x-1.8 and 7.x before 7.x-2.4 for Drupal allows remote authenticated users with certain permissions to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 04/07/2019
The CVE-2015-4354 vulnerability represents a critical cross-site scripting flaw within the Ubercart Webform Integration module for Drupal platforms, affecting versions prior to 6.x-1.8 and 7.x-2.4. This vulnerability specifically targets authenticated users who possess certain permissions within the Drupal environment, creating a significant security risk for organizations relying on these webform integration capabilities. The flaw allows attackers to inject malicious web scripts or HTML content into the application's response, potentially compromising user sessions and data integrity. The vulnerability's impact extends beyond simple script injection as it can enable attackers to escalate privileges and gain unauthorized access to sensitive system resources.
The technical nature of this XSS vulnerability stems from inadequate input validation and output sanitization within the Ubercart Webform Integration module. Attackers with appropriate permissions can manipulate form submissions or configuration parameters to inject malicious code that executes in the context of other users' browsers. This occurs because the module fails to properly escape or filter user-provided data before rendering it in web pages, creating persistent XSS vectors that can be exploited across multiple user sessions. The unspecified vectors mentioned in the description suggest that the vulnerability may exist across multiple input points within the module's functionality, making it particularly challenging to fully mitigate without comprehensive code review and patching.
The operational impact of CVE-2015-4354 is substantial for organizations using Drupal with Ubercart Webform Integration, as it enables attackers to execute arbitrary code in the browsers of authenticated users. This can lead to session hijacking, credential theft, data exfiltration, and potential privilege escalation attacks. The vulnerability particularly affects users who have administrative or content management permissions, as these roles often have elevated access to sensitive system features. The attack surface is widened by the fact that the vulnerability affects both Drupal 6 and 7 platforms, requiring organizations to implement remediation across multiple system versions. The persistent nature of XSS vulnerabilities means that once exploited, malicious scripts can continue to execute against all users until the vulnerability is patched.
Organizations should immediately implement the official patches released by the Drupal security team for both the 6.x and 7.x branches of the Ubercart Webform Integration module. System administrators should also consider implementing additional security measures such as web application firewalls, content security policies, and regular security audits to detect and prevent exploitation attempts. The vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws in web applications, and follows ATT&CK technique T1566.001 for initial access through spearphishing attachments and links. Regular security monitoring and user education regarding suspicious web content are essential components of a comprehensive mitigation strategy, as the vulnerability can be exploited through social engineering vectors that trick users into executing malicious payloads within the targeted environment.