CVE-2014-100036 in FlatPress
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in FlatPress 1.0.2 allows remote attackers to inject arbitrary web script or HTML via the content parameter to the default URI.
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Analysis
by VulDB Data Team • 04/11/2022
The vulnerability identified as CVE-2014-100036 represents a critical cross-site scripting flaw within FlatPress version 1.0.2, a lightweight content management system designed for simple blog publishing. This vulnerability resides in the application's handling of user input through the content parameter within the default URI structure, creating a pathway for malicious actors to execute arbitrary web scripts or HTML code within the context of affected users' browsers. The flaw demonstrates the classic characteristics of a reflected XSS vulnerability where unvalidated input is directly incorporated into the web application's response without proper sanitization or encoding mechanisms.
The technical exploitation of this vulnerability occurs when remote attackers craft malicious payloads containing script tags or other HTML content and submit them through the content parameter of the default URI. When the vulnerable FlatPress application processes this input and renders it within the page response, the embedded scripts execute in the context of the victim's browser session. This behavior aligns with CWE-79 which specifically addresses cross-site scripting vulnerabilities where applications fail to properly validate or encode user-supplied data before incorporating it into dynamic web content. The vulnerability's impact extends beyond simple script execution as it can potentially enable session hijacking, credential theft, or redirection to malicious sites.
The operational impact of CVE-2014-100036 is significant for any organization or individual utilizing FlatPress 1.0.2, as it provides attackers with a straightforward method to compromise user sessions and potentially gain unauthorized access to blog administrative functions. The vulnerability affects the core functionality of the content management system, as any user who views affected content could become a victim of the XSS attack. This creates a persistent threat vector that can be exploited across multiple users without requiring authentication or privileged access to the system itself. The attack surface is particularly concerning given that FlatPress is often deployed in environments where users may have varying levels of technical expertise, making it more likely that victims will inadvertently trigger the malicious scripts.
Mitigation strategies for this vulnerability should focus on implementing proper input validation and output encoding mechanisms within the FlatPress application. The recommended approach includes sanitizing all user-supplied content before rendering it in the web interface, implementing Content Security Policy headers to restrict script execution, and upgrading to a patched version of FlatPress that addresses this specific vulnerability. Organizations should also consider implementing web application firewalls that can detect and block malicious script payloads attempting to exploit this vulnerability. The remediation process aligns with ATT&CK technique T1566 which describes the use of malicious content to gain initial access to systems, and T1059 which encompasses the execution of malicious code through various vectors including web-based attacks. Security practitioners should also conduct thorough penetration testing to verify that all input parameters are properly sanitized and that no other similar vulnerabilities exist within the application's codebase.