CVE-2015-2807 in DocumentCloud Plugin
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in js/window.php in the Navis DocumentCloud plugin before 0.1.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via the wpbase parameter.
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Analysis
by VulDB Data Team • 06/24/2024
The CVE-2015-2807 vulnerability represents a critical cross-site scripting flaw in the Navis DocumentCloud WordPress plugin, specifically within the js/window.php component. This vulnerability affects versions prior to 0.1.1 and exposes WordPress installations to significant security risks through improper input validation and sanitization mechanisms. The flaw manifests when the wpbase parameter is processed without adequate security measures, creating an avenue for malicious actors to inject arbitrary web scripts or HTML content into the application's response.
The technical exploitation of this vulnerability occurs through the manipulation of the wpbase parameter in the js/window.php file, which serves as an entry point for attackers to execute malicious code within the context of a victim's browser session. This type of vulnerability falls under the CWE-79 category, which specifically addresses cross-site scripting flaws where applications fail to properly validate or escape user-supplied input before incorporating it into dynamically generated web pages. The vulnerability represents a classic case of reflected XSS where attacker-controlled data flows directly from the request to the response without proper sanitization.
The operational impact of CVE-2015-2807 extends beyond simple script injection, as it allows attackers to potentially steal user sessions, deface websites, redirect users to malicious domains, or harvest sensitive information from authenticated sessions. When exploited successfully, this vulnerability can enable attackers to perform actions on behalf of legitimate users, potentially leading to full compromise of affected WordPress installations. The vulnerability is particularly dangerous because it operates within a plugin context, meaning that successful exploitation could affect multiple sites running the vulnerable version of Navis DocumentCloud, creating a widespread impact across the WordPress ecosystem.
Organizations and security practitioners should prioritize immediate remediation by upgrading to the patched version 0.1.1 or later of the Navis DocumentCloud plugin, as this represents the most effective mitigation strategy. Additionally, implementing proper input validation and output encoding practices, such as those recommended in the OWASP XSS Prevention Cheat Sheet, can help prevent similar vulnerabilities from emerging in other components of the application. The ATT&CK framework categorizes this vulnerability under the T1211 technique for "Exploitation for Defense Evasion" and T1059.007 for "Command and Scripting Interpreter: JavaScript" as attackers may use the XSS capability to execute malicious JavaScript payloads that can further compromise the affected systems. Network monitoring should be enhanced to detect suspicious parameter values being passed to the js/window.php endpoint, and web application firewalls should be configured to filter out known malicious patterns targeting this specific vulnerability.