CVE-2006-2533 in Destiney Rated Images Script
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in (1) addWeblog.php and (2) leaveComments.php in Destiney Rated Images Script 0.5.0 does not properly filter all vulnerable HTML tags, which allows remote attackers to inject arbitrary web script or HTML via Javascript in a DIV tag.
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Analysis
by VulDB Data Team • 09/07/2017
The CVE-2006-2533 vulnerability represents a classic cross-site scripting flaw in the Destiney Rated Images Script version 0.5.0, specifically affecting two key application components: addWeblog.php and leaveComments.php. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is one of the most prevalent and dangerous web application security flaws. The vulnerability stems from inadequate input validation and output encoding mechanisms within the web application's user submission handling processes, where the application fails to properly sanitize user-supplied data before rendering it back to users.
The technical exploitation of this vulnerability occurs when remote attackers craft malicious input containing javascript code within DIV tags that gets processed by the vulnerable php scripts. The application's failure to filter all vulnerable HTML tags means that even though some sanitization may occur, the DIV tag specifically remains unfiltered, allowing attackers to inject arbitrary web scripts or HTML content. This creates a persistent XSS vector where malicious code executed in the victim's browser can perform actions such as stealing session cookies, redirecting users to malicious sites, or defacing the web application interface. The vulnerability is particularly concerning because it leverages the DIV tag, which is commonly used in web applications and often bypasses basic security filters that might target more obvious script tags.
The operational impact of this vulnerability extends beyond simple data theft or defacement, as it can enable sophisticated attack chains within the web application environment. Attackers can leverage this vulnerability to establish persistent access through session hijacking, perform account takeovers, or create backdoor access points within the application. The vulnerability affects both weblog creation and comment submission functionalities, meaning that any user interaction with these features can become a potential attack vector. From an attacker's perspective, this vulnerability operates at the application layer and can be exploited without requiring special privileges or access to the underlying system infrastructure, making it particularly dangerous for web applications that handle user-generated content.
Mitigation strategies for CVE-2006-2533 should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application. The most effective approaches include implementing proper HTML escaping for all user-supplied content before rendering it in the browser, utilizing whitelist-based input filtering to allow only known-safe characters and tags, and implementing Content Security Policy headers to prevent unauthorized script execution. Organizations should also consider implementing proper security headers, such as X-Content-Type-Options and X-Frame-Options, to add additional layers of protection. The vulnerability demonstrates the critical importance of following secure coding practices and implementing defense-in-depth strategies, as the issue could have been prevented through proper input sanitization and output encoding techniques. This vulnerability aligns with ATT&CK technique T1566.001 for initial access through malicious web content and T1059.007 for command and control through script-based attacks, highlighting its potential for broader exploitation within enterprise environments.