CVE-2014-8078 in Print
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the Print (aka Printer, e-mail and PDF versions) module 6.x-1.x before 6.x-1.19, 7.x-1.x before 7.x-1.3, and 7.x-2.x before 7.x-2.0 for Drupal allows remote authenticated users with certain permissions to inject arbitrary web script or HTML via vectors related to nodes.
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Analysis
by VulDB Data Team • 03/13/2019
The CVE-2014-8078 vulnerability represents a critical cross-site scripting flaw within the Print module for Drupal content management systems. This vulnerability specifically affects versions 6.x-1.x prior to 6.x-1.19, 7.x-1.x prior to 7.x-1.3, and 7.x-2.x prior to 7.x-2.0, making it a widespread issue across multiple Drupal version lines. The flaw enables remote authenticated users to execute malicious scripts within the context of other users' browsers, potentially leading to unauthorized actions or data theft. The vulnerability resides in the Print module's handling of node-related data, which is commonly used for generating printable versions of web content including emails and PDF documents.
The technical implementation of this XSS vulnerability stems from insufficient input validation and output escaping within the Print module's node processing functionality. When authenticated users with appropriate permissions create or modify content nodes that are subsequently processed by the Print module, malicious scripts can be injected into the generated output. This occurs because the module fails to properly sanitize user input before rendering it in printable formats, creating opportunities for attackers to exploit the weakness through carefully crafted payloads. The vulnerability is particularly concerning because it requires only authenticated access with specific permissions, making it accessible to users who may have legitimate access to content management functions but could abuse them for malicious purposes.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform a range of malicious activities including session hijacking, data exfiltration, and privilege escalation. An attacker who successfully exploits this vulnerability can potentially access sensitive information, modify content, or even gain elevated privileges within the Drupal environment. The risk is compounded by the fact that many Drupal installations have users with legitimate permissions to create or edit content, providing attackers with multiple potential entry points. This vulnerability directly aligns with CWE-79, which classifies cross-site scripting as a critical weakness in web applications, and can be mapped to ATT&CK technique T1566.001 for initial access through malicious web content.
Organizations affected by this vulnerability should prioritize immediate remediation through official Drupal security updates, specifically upgrading to versions 6.x-1.19, 7.x-1.3, or 7.x-2.0 respectively. System administrators should also implement additional protective measures including input validation, output encoding, and regular security audits of module installations. The vulnerability demonstrates the importance of maintaining current software versions and implementing proper access controls, as the issue could be exploited by users with legitimate content management permissions who may have been compromised or acting maliciously. Security monitoring should focus on detecting unusual content creation patterns or attempts to inject malformed data into the system, while also ensuring that all users with content management privileges are properly vetted and monitored for suspicious activities.