CVE-2024-37446 in Chained Quiz Plugin
Summary
by MITRE • 07/22/2024
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Kiboko Labs Chained Quiz allows Stored XSS.This issue affects Chained Quiz: from n/a through 1.3.2.8.
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Analysis
by VulDB Data Team • 03/17/2025
The vulnerability CVE-2024-37446 represents a critical cross-site scripting flaw in the Kiboko Labs Chained Quiz plugin, specifically targeting versions ranging from an unspecified initial version through 1.3.2.8. This vulnerability falls under the category of improper input neutralization during web page generation, creating a persistent security risk that allows attackers to inject malicious scripts into web pages viewed by other users. The flaw manifests as a stored XSS vulnerability, meaning that malicious code injected by an attacker can be permanently stored on the server and subsequently executed whenever affected pages are accessed by legitimate users. This type of vulnerability directly corresponds to CWE-79, which defines Cross-Site Scripting as a weakness where untrusted data is improperly sanitized before being included in web pages served to other users. The attack vector leverages the plugin's failure to properly sanitize user input during the generation of web pages, creating an environment where malicious scripts can persist and execute across multiple user sessions.
The operational impact of this vulnerability extends beyond simple script execution, as it enables attackers to perform a wide range of malicious activities including session hijacking, credential theft, and data exfiltration from authenticated users. When an attacker successfully exploits this stored XSS vulnerability, they can inject scripts that manipulate the victim's browser behavior, potentially redirecting users to malicious sites, stealing cookies and session tokens, or even modifying the content displayed to users. The persistent nature of stored XSS means that the malicious code remains active until manually removed from the system, providing attackers with sustained access to compromised environments. This vulnerability particularly affects WordPress environments where the Chained Quiz plugin is installed, creating a significant risk for organizations relying on this platform for educational or training purposes, as users may unknowingly execute malicious code when viewing quiz results or other plugin-generated content.
Security professionals should recognize this vulnerability as a prime example of how web application frameworks can fail to properly validate and sanitize user input before rendering it in web contexts. The flaw demonstrates the critical importance of implementing proper input validation and output encoding mechanisms throughout web applications. According to ATT&CK framework category T1531, this vulnerability enables techniques for accessing and manipulating user sessions, while the persistence aspect aligns with T1078 which covers legitimate credentials and valid accounts. Organizations should immediately implement mitigations including updating to the latest version of the Chained Quiz plugin where available, implementing web application firewalls to detect and block suspicious script injections, and conducting thorough security audits of all installed plugins and themes. Additionally, administrators should enforce strict input validation policies, implement Content Security Policies to limit script execution, and consider disabling unnecessary user input fields that could serve as attack vectors. The vulnerability underscores the necessity of regular security assessments and maintaining up-to-date software to prevent exploitation of known weaknesses in third-party components.