CVE-2021-28803 : Security Advisory and Response
Discover the impact of CVE-2021-28803, a Stored XSS Vulnerability in QNAP Systems Inc. Q'center. Learn about affected versions, risks, and mitigation steps to secure your systems.
A Stored XSS Vulnerability was discovered in QNAP Systems Inc. Q'center versions prior to 1.11.1004, allowing attackers to execute malicious scripts. Here's what you need to know about CVE-2021-28803.
Understanding CVE-2021-28803
This CVE identifier refers to a Stored XSS Vulnerability found in QNAP Systems Inc. Q'center software.
What is CVE-2021-28803?
CVE-2021-28803 is a vulnerability present in QNAP Systems Inc. Q'center versions before 1.11.1004 that allows attackers to inject malicious scripts into the application.
The Impact of CVE-2021-28803
This vulnerability could be exploited by malicious actors to execute arbitrary code and potentially compromise the confidentiality, integrity, and availability of the affected system.
Technical Details of CVE-2021-28803
The following technical details shed light on the vulnerability:
Vulnerability Description
The issue stems from improper neutralization of script-related HTML tags in a web page, enabling attackers to store and execute malicious scripts within the Q'center application.
Affected Systems and Versions
QNAP Systems Inc. Q'center versions prior to 1.11.1004 are impacted by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious scripts into input fields or parameters, leading to unauthorized script execution within the application.
Mitigation and Prevention
To safeguard your systems against CVE-2021-28803, consider the following mitigation strategies:
Immediate Steps to Take
Update Q'center software to version 1.11.1004 or later, as QNAP has already addressed this vulnerability in the patched versions.
Long-Term Security Practices
Implement robust input validation mechanisms, sanitize user inputs, and conduct regular security assessments to detect and mitigate similar vulnerabilities.
Patching and Updates
Stay proactive with security updates and patches provided by QNAP Systems Inc. to ensure your systems are protected against the latest threats.