CVE-2009-1908 in Skip
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Skip 1.0.2 and earlier, and 1.1RC2 and earlier 1.1RC versions, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 11/10/2018
The CVE-2009-1908 vulnerability represents a critical cross-site scripting flaw affecting Skip web applications across multiple version ranges including 1.0.2 and earlier, as well as 1.1RC2 and earlier 1.1RC versions. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is classified as a fundamental web application security weakness that enables attackers to inject malicious scripts into web pages viewed by other users. The vulnerability's impact stems from inadequate input validation and output encoding mechanisms within the Skip application framework, creating an attack surface where malicious code can be executed in the context of a victim's browser session.
The technical exploitation of this vulnerability occurs through unspecified vectors that likely involve user-supplied input fields or parameters that are not properly sanitized before being rendered in web responses. Attackers can craft malicious payloads that, when executed, can steal session cookies, perform unauthorized actions on behalf of users, redirect victims to malicious sites, or deface web pages. The vulnerability's persistence across multiple version releases suggests a fundamental flaw in the application's data handling architecture rather than a one-time coding error, indicating that the developers failed to implement consistent security controls throughout their codebase. This type of vulnerability aligns with ATT&CK technique T1531 which focuses on利用漏洞进行攻击，通过在Web应用程序中注入恶意脚本来获取用户会话和权限。
The operational impact of CVE-2009-1908 extends beyond simple data theft or defacement, as it can enable sophisticated attack chains including credential theft, privilege escalation, and persistent backdoor establishment. When exploited successfully, this vulnerability can compromise entire user sessions and potentially allow attackers to gain administrative access to affected systems. The vulnerability's presence in both stable and release candidate versions demonstrates poor security testing practices and inadequate quality assurance processes within the Skip development lifecycle. Organizations running affected versions face significant risk of data breaches, regulatory compliance violations, and reputational damage. The vulnerability's exploitation requires minimal technical skill, making it particularly dangerous as it can be leveraged by attackers of varying expertise levels, including automated attack tools that scan for known XSS patterns. Security professionals should note that this vulnerability represents a classic example of why input validation and output encoding must be implemented at every layer of web application development, as it demonstrates how a single oversight can create persistent security risks across multiple product releases. The remediation approach involves implementing comprehensive input sanitization, output encoding, and proper content security policies to prevent malicious scripts from being executed in user contexts, while also ensuring that all versions of the Skip framework receive appropriate security updates and patches to address this fundamental flaw.