CVE-2023-49484 in Dreamer
Summary
by MITRE • 12/08/2023
Dreamer CMS v4.1.3 was discovered to contain a cross-site scripting (XSS) vulnerability in the article management department.
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Analysis
by VulDB Data Team • 03/03/2026
The vulnerability identified as CVE-2023-49484 affects Dreamer CMS version 4.1.3 and represents a critical cross-site scripting flaw within the article management component of the content management system. This type of vulnerability allows attackers to inject malicious scripts into web pages viewed by other users, creating a significant security risk for organizations relying on this platform for content management and publishing operations.
The technical implementation of this XSS vulnerability stems from insufficient input validation and output encoding within the article management department of the CMS. When users submit article content or interact with the administrative interface, the system fails to properly sanitize user-supplied data before rendering it back to the browser. This insufficient sanitization creates an environment where malicious actors can embed javascript code or other harmful scripts that execute in the context of other users' browsers. The vulnerability specifically impacts the article management functionality, suggesting that the flaw exists in how the system processes or displays article-related data, potentially including article titles, content fields, metadata, or other user-generated content within this administrative module.
From an operational perspective, this vulnerability presents substantial risks to organizations using Dreamer CMS v4.1.3. Attackers could exploit this flaw to steal user sessions, deface websites, redirect users to malicious sites, or harvest sensitive information from authenticated sessions. The impact extends beyond simple data theft as the vulnerability could enable privilege escalation attacks if the affected administrative interface allows for user authentication. Security practitioners must consider that successful exploitation could lead to complete compromise of the content management system, potentially affecting thousands of articles and user accounts. The vulnerability's location within the article management department suggests that it could be exploited by both authenticated and unauthenticated attackers depending on the specific implementation details and access controls in place.
Organizations should immediately implement multiple layers of mitigation strategies to address this vulnerability. The primary remediation involves updating to the latest version of Dreamer CMS where the XSS vulnerability has been patched and properly addressed. Security teams should also implement comprehensive input validation and output encoding mechanisms throughout the application, particularly within the article management component. This includes implementing proper Content Security Policy headers, sanitizing all user inputs, and ensuring that all output is properly escaped before being rendered in web browsers. Additionally, organizations should conduct thorough security testing of the CMS and related web applications to identify any similar vulnerabilities that may exist in other components of their digital 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 as outlined in various cybersecurity frameworks including the NIST Cybersecurity Framework and ISO 27001 standards.
The exploitation of this vulnerability demonstrates the critical importance of maintaining up-to-date software components and implementing robust security measures throughout the application development lifecycle. Security professionals should also consider implementing web application firewalls and monitoring systems to detect potential exploitation attempts and provide additional defense-in-depth protection against similar attacks targeting content management systems and web applications in general.