CVE-2007-6085 in VigileCMS
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in index.php in VigileCMS 1.4 allow remote attackers to inject arbitrary web script or HTML via the message field in the (1) vedipm or (2) live_chat module.
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Analysis
by VulDB Data Team • 10/11/2024
The vulnerability identified as CVE-2007-6085 represents a critical cross-site scripting flaw affecting VigileCMS version 1.4, specifically within the index.php file. This vulnerability manifests in two distinct attack vectors through the message field of the vedipm and live_chat modules, creating multiple entry points for malicious actors to exploit. The flaw resides in the insufficient validation and sanitization of user input, allowing attackers to inject malicious scripts that execute in the context of other users' browsers. The vulnerability directly maps to CWE-79, which defines cross-site scripting as a weakness where untrusted data is improperly incorporated into web page content without proper validation or encoding.
The technical implementation of this vulnerability exploits the CMS's failure to properly sanitize user-supplied data before rendering it in web pages. When users submit messages through either the vedipm or live_chat modules, the application processes these inputs without adequate filtering mechanisms to prevent script injection. Attackers can craft malicious payloads that include javascript code, html tags, or other executable content within the message field, which then gets stored and subsequently rendered to other users browsing the affected pages. This creates a persistent XSS condition where the malicious code executes in the victim's browser context, potentially leading to session hijacking, credential theft, or other malicious activities.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable sophisticated attacks against users of the CMS platform. An attacker could leverage this vulnerability to steal session cookies, redirect users to malicious websites, or even modify content on the affected website. The persistence of the vulnerability across multiple modules (vedipm and live_chat) increases the attack surface and makes it more difficult to mitigate completely. This type of vulnerability aligns with ATT&CK technique T1531, which involves using malicious inputs to manipulate web applications, and T1566, which covers the initial access phase through malicious inputs. The vulnerability affects not only individual users but also compromises the overall integrity and security posture of the CMS installation, potentially allowing for further exploitation or lateral movement within the affected network.
Mitigation strategies for CVE-2007-6085 should focus on implementing proper input validation and output encoding mechanisms throughout the application. The most effective approach involves sanitizing all user inputs using whitelist-based validation and applying proper HTML encoding to prevent script execution in the browser context. Organizations should also implement Content Security Policy (CSP) headers to limit script execution and establish secure coding practices that prevent similar vulnerabilities from occurring in the future. Additionally, the affected VigileCMS version should be upgraded to a patched version or replaced with a more secure alternative, as version 1.4 represents an outdated release that likely contains multiple unpatched security flaws. The vulnerability demonstrates the critical importance of input sanitization and output encoding in web applications, as outlined in OWASP Top 10 2021 category A03: Injection, which specifically addresses the risks associated with inadequate input validation and sanitization.