CVE-2014-4032 in Fiyo
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in apps/app_comment/form_comment.php in Fiyo CMS 1.5.7 allows remote attackers to inject arbitrary web script or HTML via the Nama field.
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Analysis
by VulDB Data Team • 03/22/2022
The CVE-2014-4032 vulnerability represents a critical cross-site scripting flaw within Fiyo CMS version 1.5.7 that exposes the application to remote code execution through malicious web script injection. This vulnerability specifically affects the comment submission functionality located in the apps/app_comment/form_comment.php file, making it a prime target for attackers seeking to compromise user sessions and data integrity. The flaw manifests when the application fails to properly sanitize user input submitted through the Nama field, which is typically used for comment author names or display identifiers. This represents a classic XSS vulnerability that can be exploited to execute malicious scripts in the context of a victim's browser, potentially leading to session hijacking, credential theft, or unauthorized data manipulation. The vulnerability's classification aligns with CWE-79 which specifically addresses cross-site scripting flaws in web applications. From an operational perspective, this vulnerability poses significant risk to CMS administrators and end users who may unknowingly interact with maliciously crafted comments that could redirect them to phishing sites or execute harmful payloads. The attack vector requires minimal prerequisites as attackers only need to submit malicious input through the comment form, making it particularly dangerous in environments where user-generated content is permitted. The vulnerability's impact extends beyond simple script execution as it can be leveraged for more sophisticated attacks including session fixation, data exfiltration, and privilege escalation within the CMS environment. The flaw demonstrates poor input validation and output encoding practices that are fundamental to secure web application development. Organizations utilizing Fiyo CMS 1.5.7 are particularly vulnerable as this version likely lacks proper sanitization mechanisms for user inputs, creating an attack surface that aligns with ATT&CK technique T1566.001 for initial access through malicious web content. The vulnerability's exploitation potential increases when considering that many CMS platforms allow comment submission without adequate filtering, making this a common vector for attackers targeting content management systems. Security practitioners should recognize that this vulnerability represents a failure in the application's defense-in-depth strategy, particularly in the input validation layer where user-supplied data should be rigorously sanitized. The impact on user trust and application integrity is substantial, as compromised comment systems can serve as persistent attack vectors that remain active until patched. Mitigation strategies must include immediate implementation of proper input sanitization, output encoding, and content security policy enforcement to prevent script execution in user-supplied content. The vulnerability also highlights the importance of regular security assessments and timely patch management for open source content management systems that may contain unaddressed security flaws. Organizations should implement web application firewalls to monitor and block suspicious comment submissions while also conducting thorough code reviews to identify similar input validation weaknesses across the application's codebase. This vulnerability serves as a reminder of the critical importance of maintaining secure coding practices and regularly updating software components to address known security issues before they can be exploited in the wild. The flaw's presence in a widely used CMS platform demonstrates how vulnerabilities in core application components can affect numerous installations and require coordinated patching efforts across multiple organizations.