CVE-2023-48201 in Sunlight
Summary
by MITRE • 01/27/2024
Cross Site Scripting (XSS) vulnerability in Sunlight CMS v.8.0.1, allows remote authenticated attackers to execute arbitrary code and escalate privileges via a crafted script to the Content text editor component.
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Analysis
by VulDB Data Team • 05/30/2025
The CVE-2023-48201 vulnerability represents a critical cross site scripting flaw within Sunlight CMS version 8.0.1 that fundamentally compromises the security posture of affected systems. This vulnerability exists within the Content text editor component, which serves as a primary interface for content management and user-generated content creation. The flaw enables remote authenticated attackers to inject malicious scripts that can execute within the context of other users' browsers, creating a severe attack surface that can be exploited by threat actors with legitimate user credentials.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding within the content editor component. When users submit content through the text editor, the system fails to properly sanitize or escape user-supplied data before rendering it in web pages. This inadequate sanitization process creates an environment where attackers can embed malicious javascript payloads that persist within the content management system's database. The vulnerability specifically affects the Content text editor component, which is designed to allow rich text formatting and content manipulation, making it a prime target for exploitation. The flaw allows attackers to bypass standard security controls and execute arbitrary code within the browser context of other users, potentially leading to complete system compromise.
The operational impact of CVE-2023-48201 extends far beyond simple script execution, as it enables privilege escalation and persistent malicious activities within the affected CMS environment. Attackers can leverage this vulnerability to inject malicious scripts that can harvest user credentials, redirect traffic to malicious sites, or establish persistent backdoors within the CMS infrastructure. The authenticated nature of the attack means that threat actors need only obtain legitimate user credentials to exploit the vulnerability, making it particularly dangerous in environments where multiple users have access to the content management system. This vulnerability can be exploited to create a foothold for more extensive attacks, including data exfiltration, system compromise, and lateral movement within network environments. The implications are especially severe in content management scenarios where administrators and editors have elevated privileges, as successful exploitation can lead to complete system compromise and unauthorized access to sensitive data.
Mitigation strategies for CVE-2023-48201 should prioritize immediate patching of the Sunlight CMS to version 8.0.2 or later, which contains the necessary security fixes to address the XSS vulnerability. Organizations should implement comprehensive input validation and output encoding mechanisms within their content management systems, ensuring that all user-supplied content is properly sanitized before being stored or rendered. Network segmentation and access controls should be enforced to limit the impact of potential exploitation, while monitoring systems should be deployed to detect anomalous content submission patterns that may indicate attempted exploitation. Regular security audits and penetration testing should be conducted to identify and remediate similar vulnerabilities within the CMS infrastructure. The vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws, and represents a clear violation of the principle of least privilege and secure coding practices. From an ATT&CK framework perspective, this vulnerability maps to techniques such as T1566 (Phishing) and T1059 (Command and Scripting Interpreter) where attackers can leverage the XSS flaw to execute malicious code and maintain persistence within the targeted environment. Organizations should also implement web application firewalls and content security policies to provide additional layers of protection against similar attacks.