CVE-2018-10382 in Revolution
Summary
by MITRE
MODX Revolution 2.6.3 has XSS.
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Analysis
by VulDB Data Team • 03/19/2023
MODX Revolution 2.6.3 contains a cross-site scripting vulnerability that allows remote attackers to inject malicious scripts into web pages viewed by other users. This vulnerability stems from insufficient input validation and output escaping mechanisms within the content management system's user interface. The flaw specifically affects the way the application processes and renders user-supplied data in administrative panels and frontend interfaces, creating an attack surface where malicious actors can execute arbitrary JavaScript code in the context of affected user sessions.
The technical implementation of this vulnerability involves the improper sanitization of user inputs that are subsequently displayed without adequate encoding or escaping. Attackers can exploit this weakness by submitting crafted payloads through form fields, URL parameters, or other input vectors that are processed by the MODX core. When the vulnerable application renders these inputs in web pages, the malicious scripts execute in the browsers of unsuspecting users who view the affected content. This type of vulnerability falls under CWE-79 which specifically addresses cross-site scripting flaws in software applications.
The operational impact of CVE-2018-10382 extends beyond simple script execution as it can enable attackers to perform session hijacking, deface websites, steal sensitive information, or redirect users to malicious domains. An attacker who successfully exploits this vulnerability can gain unauthorized access to administrative functions, modify content, or establish persistent access to the compromised MODX installation. The vulnerability affects the entire MODX ecosystem, including both the manager interface and frontend rendering components, making it particularly dangerous for content management systems where administrators frequently interact with user-generated content.
Organizations using MODX Revolution 2.6.3 should immediately apply the vendor-provided patch or upgrade to a secure version that addresses the input validation issues. The recommended mitigation strategy includes implementing proper output encoding for all user-supplied data, enforcing strict input validation at multiple layers, and deploying web application firewalls to detect and block malicious payloads. Security teams should also conduct thorough penetration testing to identify any additional vectors that might exploit similar weaknesses in the application's architecture. From an ATT&CK framework perspective, this vulnerability maps to technique T1059.007 for script injection and T1566 for social engineering attacks that leverage XSS to compromise user sessions and escalate privileges within the application environment.