CVE-2006-4874 in Jupiter CMS
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Jupiter CMS allow remote attackers to inject arbitrary web script or HTML via the (1) language[Admin name] and (2) language[Admin back] parameters in (a) modules/blocks.php; the (3) language[Register title] and (4) language[Register title2] parameters in (b) modules/register.php; the (5) language[Mass-Email form title], (6) language[Mass-Email form desc], (7) language[Mass-Email form desc2] (8) language[Mass-Email form desc3], and (9) language[Mass-Email form desc4] parameters in (c) modules/mass-email.php; the (10) language[Forgotten title], (11) language[Forgotten desc], (12) language[Forgotten desc2], (13) language[Forgotten desc3], (14) language[Forgotten desc4], and (15) language[Forgotten desc5] parameters in (d) modules/register.php; and the (16) language[Search view desc], (17) language[Search view desc2], (18) language[Search view desc3], (19) language[Search view desc4], (20) language[Search view desc5], (21) language[Search view desc6], (22) language[Search view desc7], and (23) language[Search view desc8] parameters in (e) modules/search.php.
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Analysis
by VulDB Data Team • 09/25/2017
The vulnerability described in CVE-2006-4874 represents a significant security flaw in Jupiter CMS that exposes multiple cross-site scripting attack vectors across several administrative modules. This issue stems from inadequate input validation and output sanitization mechanisms within the content management system's language parameter handling functionality. The vulnerability affects critical administrative interfaces and user-facing modules including blocks, registration, mass-email, forgotten password, and search functionalities, making it particularly dangerous as it can be exploited across multiple attack surfaces within the same application.
The technical flaw manifests through the improper handling of user-supplied data in language parameters that are directly incorporated into web page output without adequate sanitization or encoding. Attackers can exploit this weakness by injecting malicious javascript code or html content through the identified parameter names such as language[Admin name], language[Register title], and language[Search view desc] among others. The vulnerability specifically affects parameters within php files located at modules/blocks.php, modules/register.php, modules/mass-email.php, and modules/search.php, demonstrating a systemic issue in how the application processes and renders language configuration data.
The operational impact of this vulnerability is substantial as it allows remote attackers to execute arbitrary web scripts in the context of authenticated users' browsers. This capability enables attackers to perform actions such as stealing session cookies, modifying user interface elements, redirecting users to malicious sites, or executing persistent XSS attacks that can compromise user accounts and system integrity. The vulnerability affects multiple modules simultaneously, increasing the attack surface and potential damage scope, as successful exploitation in any of these modules can provide attackers with varying levels of access and control over the CMS functionality.
Security professionals should recognize this vulnerability as a classic example of CWE-79 - Improper Neutralization of Input During Web Page Generation, which is a fundamental weakness in web application security. The issue also aligns with ATT&CK technique T1566.001 - Phishing: Spearphishing Attachment, as attackers could leverage these XSS vulnerabilities to deliver malicious payloads through compromised CMS interfaces. The widespread nature of the vulnerability across multiple modules suggests a lack of consistent input validation across the application's codebase, indicating potential architectural security flaws that require comprehensive remediation.
Mitigation strategies should include immediate implementation of proper input sanitization and output encoding for all language parameters, with specific focus on implementing context-specific encoding for html, javascript, and url contexts. The recommended approach involves validating all user-supplied input against whitelisted character sets and implementing proper html entity encoding when rendering language variables. Additionally, developers should consider implementing Content Security Policy headers to limit the execution of inline scripts and establish a consistent security framework for all configuration parameters. Regular security audits and input validation testing should be conducted to prevent similar vulnerabilities from emerging in future versions of the CMS.