CVE-2006-4500 in Ezportal Ztml Cms
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in index.php in ezPortal/ztml CMS 1.0 allows remote attackers to inject arbitrary web script or HTML via the (1) about, (2) again, (3) lastname, (4) email, (5) password, (6) album, (7) id, (8) table, (9) desc, (10) doc, (11) mname, (12) max, (13) htpl, (14) pheader, and possibly other parameters.
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Analysis
by VulDB Data Team • 09/22/2017
The CVE-2006-4500 vulnerability represents a critical cross-site scripting flaw within the ezPortal/ztml Content Management System version 1.0, specifically affecting the index.php script. This vulnerability classifies under CWE-79 which defines improper neutralization of input during web page generation, making it a classic example of client-side injection attack vector. The flaw exists in the application's handling of user-supplied input parameters, where the CMS fails to properly sanitize or escape data before incorporating it into dynamically generated web content. This weakness allows malicious actors to inject arbitrary HTML or JavaScript code that executes in the context of other users' browsers when they view affected pages.
The vulnerability manifests through multiple parameter injection points within the index.php script, specifically targeting parameters including about, again, lastname, email, password, album, id, table, desc, doc, mname, max, htpl, and pheader among others. These parameters are commonly used for user input collection, content display, and database operations within the CMS framework. The attack surface expands significantly due to the inclusion of password and email fields, which suggests the vulnerability could be exploited not only for typical XSS attacks but potentially for credential harvesting or session manipulation. The inclusion of database-related parameters like table and id indicates that the vulnerability could be leveraged to manipulate database queries or display malicious content from database records.
From an operational impact perspective, this vulnerability enables attackers to execute malicious scripts in the browsers of unsuspecting users who visit compromised pages. The attack could result in session hijacking, where attackers steal user authentication tokens and gain unauthorized access to administrative functions. Additionally, the vulnerability could facilitate phishing attacks by displaying fraudulent content that appears legitimate to users. The exposure of password fields creates additional risk for credential theft, while the ability to inject content into various display areas could be used to deface websites, redirect users to malicious domains, or harvest sensitive information from user sessions. The vulnerability's presence in the CMS core components suggests potential for widespread impact across all sites utilizing this specific version of ezPortal/ztml.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application. The primary defense involves sanitizing all user-supplied input using proper encoding techniques such as HTML entity encoding for display contexts, and implementing strict input validation that rejects or removes potentially dangerous characters. Organizations should also consider implementing Content Security Policy headers to limit script execution and prevent unauthorized code injection. The vulnerability's classification under the ATT&CK framework as a web application attack vector indicates that defense-in-depth measures including web application firewalls, regular security code reviews, and input/output validation should be implemented. Regular updates and patch management procedures are essential, as this vulnerability represents an outdated flaw that would typically be addressed in modern CMS versions through proper parameter handling and input sanitization protocols.