CVE-2006-1072 in Simplog
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Daverave Simplog 1.0.2 and earlier allows remote attackers to inject arbitrary web script or HTML via a blog post.
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Analysis
by VulDB Data Team • 07/20/2018
The vulnerability described in CVE-2006-1072 represents a classic cross-site scripting flaw that has persisted as a critical web application security concern for over a decade. This vulnerability specifically affects Daverave Simplog version 1.0.2 and earlier, indicating a long-standing issue that was not adequately addressed in the software lifecycle. The flaw resides in how the application processes and renders blog post content, creating an opportunity for malicious actors to inject arbitrary web scripts or HTML code. Such vulnerabilities are particularly dangerous because they can be exploited by attackers who simply need to craft malicious content that gets executed in the context of other users' browsers when they view the affected blog posts.
The technical nature of this vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws in web applications. This classification indicates that the application fails to properly sanitize or escape user input before rendering it in web pages, creating an environment where attacker-controlled data can be interpreted as executable code. The vulnerability operates at the application layer where user-supplied content bypasses proper validation mechanisms, allowing malicious scripts to execute within the context of legitimate user sessions. This type of flaw typically occurs when applications fail to implement proper input sanitization, output encoding, or content security policies that would prevent the execution of unauthorized code.
The operational impact of this vulnerability extends beyond simple data theft or defacement, as it can enable sophisticated attack chains that leverage user trust and session context. When an attacker successfully injects malicious code through a blog post, any user who views that content becomes a potential victim of session hijacking, credential theft, or redirection to malicious sites. The vulnerability can be exploited to create persistent attacks that affect all users who browse the compromised blog, making it particularly dangerous for public-facing applications. Attackers can use this vector to establish backdoors, steal cookies, redirect users to phishing sites, or even perform actions on behalf of authenticated users, depending on the application's access controls and the privileges of the affected users.
Mitigation strategies for this vulnerability should encompass both immediate patching and architectural improvements to prevent similar issues in the future. Organizations should prioritize updating to the latest version of Daverave Simplog or migrating to more modern blogging platforms that have addressed this vulnerability. Beyond patching, implementing proper input validation and output encoding mechanisms is essential for preventing XSS attacks. The application should employ context-appropriate encoding for all user-supplied content before rendering it in web pages, utilizing techniques such as HTML entity encoding, JavaScript escaping, or Content Security Policy headers. Additionally, security measures should include regular input validation, implementing the principle of least privilege for user content, and establishing robust content sanitization processes that can identify and neutralize potentially malicious code patterns. The vulnerability demonstrates the importance of maintaining up-to-date software and implementing defense-in-depth strategies that protect against multiple attack vectors simultaneously.