CVE-2006-3035 in MyScrapbook
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in addwords.php in MyScrapbook 3.1 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) name and (2) comment parameters. NOTE: the provenance of this information is unknown; the details are obtained from third party information.
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Analysis
by VulDB Data Team • 07/29/2018
The vulnerability described in CVE-2006-3035 represents a critical cross-site scripting flaw affecting MyScrapbook version 3.1 and earlier. This issue resides within the addwords.php script which processes user input for name and comment parameters, creating an avenue for remote attackers to execute malicious web scripts or HTML code within the context of other users' browsers. The vulnerability stems from inadequate input validation and sanitization mechanisms that fail to properly filter or escape user-supplied data before it is rendered back to end users.
This type of vulnerability falls under CWE-79 which specifically addresses Cross-Site Scripting flaws in software applications. The attack vector exploits the fundamental weakness in web application security where user-controllable input is directly incorporated into web pages without proper sanitization. The vulnerability affects the core functionality of MyScrapbook's user interaction system, as both name and comment parameters are susceptible to malicious input injection. Attackers can craft specially designed payloads that when executed in victim browsers can perform various malicious activities including session hijacking, data theft, or redirection to malicious sites.
The operational impact of this vulnerability extends beyond simple script execution as it compromises the integrity and security of user sessions within the application. When victims view pages containing malicious scripts injected through the vulnerable parameters, their browsers execute the attacker-controlled code, potentially leading to unauthorized access to personal information, modification of user data, or even complete account compromise. The vulnerability demonstrates a classic lack of proper input validation and output encoding practices that are fundamental to secure web application development. This flaw enables attackers to exploit the trust relationship between legitimate users and the application, making it particularly dangerous in multi-user environments where user data is shared or displayed.
Security mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and output encoding mechanisms. The most effective approach involves sanitizing all user inputs through proper escaping functions before rendering them in web pages, specifically implementing HTML entity encoding for any data that will be displayed in user-facing contexts. Additionally, developers should employ strict input validation that rejects or removes potentially dangerous characters and patterns from user-supplied data. The implementation of Content Security Policy headers can provide an additional layer of protection by restricting the sources from which scripts can be loaded. According to ATT&CK framework, this vulnerability maps to T1059.001 for command and scripting interpreter and T1566.001 for credential access through social engineering, as attackers can leverage this flaw to establish persistent access through compromised user sessions. Organizations should also consider implementing web application firewalls to detect and block malicious payloads attempting to exploit this vulnerability, while regular security audits and penetration testing should be conducted to identify similar input validation weaknesses in other application components.