CVE-2006-0134 in TheWebForum
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in register.php in TheWebForum (twf) 1.2.1 allows remote attackers to inject arbitrary web script or HTML via the www parameter.
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Analysis
by VulDB Data Team • 07/17/2018
The vulnerability identified as CVE-2006-0134 represents a classic cross-site scripting flaw within TheWebForum 1.2.1 web application, specifically targeting the register.php script. This type of vulnerability falls under the Common Weakness Enumeration category CWE-79, which defines improper neutralization of input during web page generation as a critical weakness. The flaw manifests when the application fails to properly sanitize or validate user-supplied input received through the www parameter, creating an avenue for malicious actors to execute arbitrary web scripts or HTML code within the context of other users' browsers.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious URL containing script code within the www parameter value and distributes it to unsuspecting users. When a victim accesses this crafted URL, the malicious script executes in their browser session, potentially leading to session hijacking, credential theft, or redirection to malicious sites. The vulnerability is particularly dangerous because it operates at the user interface level where legitimate users interact with the application, making it difficult to distinguish between benign and malicious input without proper validation mechanisms.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform various malicious activities within the compromised user sessions. According to ATT&CK framework, this vulnerability maps to T1059.007 for command and script injection, and T1531 for credential access through the potential for session manipulation. The risk is amplified in forum environments where users trust the application's content and may inadvertently execute malicious code that could compromise their entire browsing session or lead to account takeovers.
Mitigation strategies for CVE-2006-0134 should focus on implementing robust input validation and output encoding mechanisms. The most effective approach involves sanitizing all user-supplied input through proper validation techniques, including whitelisting acceptable characters and lengths, and encoding output data before rendering it in web pages. Additionally, the application should implement proper content security policies and utilize secure coding practices such as parameterized queries and HTML escaping to prevent script injection. Organizations should also consider implementing web application firewalls and regular security testing to identify similar vulnerabilities in their web applications, as this flaw demonstrates the critical importance of input validation in preventing client-side attacks.