CVE-2014-100028 in WEBCrafted
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in /signup in WEBCrafted allows remote attackers to inject arbitrary web script or HTML via the username.
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Analysis
by VulDB Data Team • 04/11/2022
This cross-site scripting vulnerability exists within the signup functionality of WEBCrafted software, specifically in the username parameter handling mechanism. The flaw represents a classic client-side injection vulnerability that allows remote attackers to execute malicious scripts within the context of other users' browsers. The vulnerability is categorized under CWE-79 which specifically addresses improper neutralization of input during web page generation, making it a fundamental web application security weakness that affects the integrity of user interactions.
The technical implementation of this vulnerability occurs when the application fails to properly sanitize or escape user-supplied input during the signup process. When a user submits a username containing malicious script code, the application stores this input without adequate validation or encoding measures. This unvalidated input is then rendered back to other users browsing the application, creating an execution environment where attacker-controlled code can run within the victim's browser context. The vulnerability demonstrates poor input validation practices and highlights the absence of proper output encoding mechanisms that should be implemented during user data processing.
The operational impact of this vulnerability extends beyond simple script execution as it enables attackers to perform various malicious activities including session hijacking, credential theft, and data exfiltration. An attacker could craft a username containing javascript code that steals session cookies or redirects users to malicious sites. This vulnerability particularly affects the application's user authentication and registration system, potentially compromising the entire user base and undermining the trust model of the web application. The attack vector requires minimal privileges and can be exploited through simple input manipulation, making it particularly dangerous in environments where users have varying levels of trust.
Mitigation strategies for this vulnerability should include implementing comprehensive input validation and output encoding mechanisms throughout the application. The recommended approach involves sanitizing all user inputs using established encoding libraries and applying context-specific escaping before rendering any user-supplied data. Organizations should implement proper content security policies and utilize web application firewalls to detect and block malicious payloads. This vulnerability aligns with ATT&CK technique T1059.007 for command and scripting interpreter and T1566 for credential access through social engineering, emphasizing the need for layered security controls. The implementation of secure coding practices and regular security testing should be mandatory to prevent similar vulnerabilities in the future.