CVE-2014-9557 in SmartCMS
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in SmartCMS v.2.
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Analysis
by VulDB Data Team • 12/16/2022
The CVE-2014-9557 vulnerability represents a critical security flaw affecting SmartCMS version 2.0, a content management system that was widely deployed in enterprise environments. This vulnerability manifests as multiple cross-site scripting flaws that can be exploited by malicious actors to inject arbitrary JavaScript code into web applications. The vulnerability stems from inadequate input validation and output encoding mechanisms within the SmartCMS framework, particularly affecting user-facing interfaces where content is dynamically rendered. Security researchers identified that the system fails to properly sanitize user-supplied data before incorporating it into web page responses, creating opportunities for attackers to execute malicious scripts in the context of authenticated users' browsers.
The technical implementation of this vulnerability involves the exploitation of improper sanitization routines that should have filtered or escaped potentially dangerous characters and script tags from user inputs. When users submit content through forms, comments, or other interactive elements within the SmartCMS interface, the system does not adequately validate the data against known XSS attack patterns. This flaw allows attackers to craft malicious payloads that can bypass standard security measures, including Content Security Policy mechanisms and HTML encoding routines. The vulnerability affects various components of the CMS including user profile management, content submission forms, and administrative interfaces where user input is processed and displayed without proper sanitization.
The operational impact of CVE-2014-9557 extends beyond simple script execution, as it can enable attackers to hijack user sessions, steal sensitive information, manipulate content, and potentially escalate privileges within the affected system. An attacker could leverage these vulnerabilities to establish persistent access through session hijacking techniques, particularly when users with elevated privileges interact with the compromised application. The vulnerability's severity is amplified by the fact that it affects core CMS functionality, meaning that successful exploitation could compromise entire websites or web applications built on the SmartCMS platform. Organizations using this version of SmartCMS faced significant risk of data breaches, content tampering, and potential system compromise.
Mitigation strategies for this vulnerability should encompass immediate implementation of input validation and output encoding mechanisms across all user-facing components of the SmartCMS system. Security teams should deploy comprehensive sanitization routines that filter out or escape potentially dangerous characters including angle brackets, script tags, and event handlers. The recommended approach includes implementing Content Security Policy headers, deploying web application firewalls, and ensuring that all user inputs are properly escaped before rendering in HTML contexts. Organizations should also consider upgrading to patched versions of SmartCMS or implementing compensating controls such as strict input validation, regular security audits, and monitoring for suspicious user activities. This vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws, and represents a common vector for attackers following MITRE ATT&CK techniques focused on initial access and execution phases. The remediation process requires systematic review of all input processing routines and implementation of defense-in-depth measures to prevent similar vulnerabilities from emerging in other components of the web application stack.