CVE-2024-27734 in CSZ
Summary
by MITRE • 03/01/2024
A Cross Site Scripting vulnerability in CSZ CMS v.1.3.0 allows an attacker to execute arbitrary code via a crafted script to the Site Name fields of the Site Settings component.
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Analysis
by VulDB Data Team • 04/18/2025
The vulnerability identified as CVE-2024-27734 represents a critical cross site scripting flaw within CSZ CMS version 1.3.0 that exposes the system to potential remote code execution attacks. This vulnerability specifically targets the Site Name field within the Site Settings component, creating a pathway for malicious actors to inject and execute arbitrary scripts within the context of the affected application. The flaw resides in the insufficient input validation and output encoding mechanisms that fail to properly sanitize user-supplied data before rendering it within the web interface. This type of vulnerability falls under the CWE-79 category known as "Cross-site Scripting" which represents one of the most prevalent and dangerous web application security flaws in the industry. The attack vector leverages the fact that the CMS does not adequately filter or escape special characters in the Site Name field, allowing attackers to inject malicious javascript code that gets executed when other users view the affected settings page.
The operational impact of this vulnerability extends beyond simple script execution to potentially enable full system compromise through a chain of attacks. An attacker who successfully exploits this vulnerability can establish persistent access to the CMS administration interface, modify or delete content, create new user accounts with elevated privileges, and ultimately gain control over the entire website or web application. The vulnerability's severity is amplified by the fact that it affects core administrative components, making it particularly dangerous for organizations that rely on CSZ CMS for their web presence. When combined with other exploitation techniques, this XSS vulnerability can serve as a launching point for more sophisticated attacks such as session hijacking, credential theft, or even privilege escalation attacks. The attack requires minimal privileges to exploit and can be executed through simple input manipulation, making it particularly dangerous for widespread exploitation across multiple systems.
Mitigation strategies for CVE-2024-27734 must address both immediate remediation and long-term security hardening measures. The most critical action involves applying the vendor-provided patch or upgrade to CSZ CMS version 1.3.1 or later, which contains the necessary fixes for the input validation and output encoding issues. Organizations should implement comprehensive input sanitization measures that filter and escape all user-supplied data before processing, particularly for fields that are rendered in web interfaces. The implementation of Content Security Policy headers and proper output encoding practices can significantly reduce the attack surface. Additionally, organizations should conduct thorough security assessments of their CMS installations to identify similar vulnerabilities in other components and ensure that all administrative interfaces properly validate and sanitize input data. Security monitoring should be enhanced to detect suspicious activities in the Site Settings component, and regular security audits should be performed to identify potential vulnerabilities in web applications. The vulnerability demonstrates the importance of following secure coding practices and implementing defense-in-depth strategies as outlined in the ATT&CK framework's application security categories, particularly focusing on preventing code injection and maintaining proper input validation controls.