CVE-2025-54300 in Quantum Mamanger Component
Summary
by MITRE • 08/25/2025
A stored XSS vulnerability in Quantum Manager component 1.0.0-3.2.0 for Joomla was discovered. The SVG upload feature does not sanitize uploads.
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Analysis
by VulDB Data Team • 08/25/2025
The stored cross-site scripting vulnerability identified as CVE-2025-54300 resides within the Quantum Manager component version range 1.0.0 through 3.2.0 for the Joomla content management system. This vulnerability represents a critical security flaw that allows attackers to execute malicious scripts in the context of a victim's browser through persistent storage mechanisms. The vulnerability specifically affects the SVG upload functionality within the component, which fails to implement proper input sanitization measures during file processing. The flaw enables malicious actors to upload SVG files containing embedded malicious JavaScript code that will execute whenever the file is viewed or processed by the application.
The technical implementation of this vulnerability stems from insufficient validation and sanitization of uploaded SVG files within the Quantum Manager component. When users upload SVG files through the vulnerable interface, the system does not adequately filter or sanitize the content to remove potentially dangerous elements or attributes. SVG files are particularly dangerous in this context because they support embedded scripting capabilities through elements such as script tags, event handlers, and external references that can execute malicious code when rendered in web browsers. The vulnerability creates a persistent threat where malicious code becomes stored within the application's file system and executes whenever legitimate users interact with the compromised SVG content.
The operational impact of CVE-2025-54300 extends beyond simple script execution, as it provides attackers with a means to establish persistent access to user sessions and potentially escalate privileges within the Joomla environment. Attackers can leverage this vulnerability to steal session cookies, redirect users to malicious sites, inject additional malware, or perform actions on behalf of authenticated users. The stored nature of the vulnerability means that once an attacker successfully uploads malicious content, the threat persists until manually removed from the system. This characteristic makes the vulnerability particularly dangerous in environments where multiple users regularly interact with uploaded content or where administrators may not immediately notice compromised files. The vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws in web applications, and represents a classic case of insecure input handling in web applications.
Mitigation strategies for this vulnerability require immediate attention from system administrators and security teams. The primary recommendation involves upgrading the Quantum Manager component to a patched version that implements proper SVG sanitization and input validation. Organizations should also implement additional security measures such as restricting upload permissions, implementing content security policies, and monitoring file upload activities for suspicious patterns. Network-based solutions such as web application firewalls can provide additional protection by filtering malicious content before it reaches the vulnerable application. Security teams should conduct thorough assessments of all uploaded files and implement automated scanning mechanisms to identify potentially malicious SVG content. The vulnerability demonstrates the importance of proper input validation and sanitization as outlined in the OWASP Top Ten security controls, and organizations should ensure their security practices align with industry standards for preventing stored XSS attacks. Regular security audits and vulnerability assessments should be conducted to identify similar issues in other components and ensure comprehensive protection against persistent threats in web applications.