CVE-2021-37393 : Security Advisory and Response
Discover the impact of CVE-2021-37393, a vulnerability in RPCMS v1.8 allowing attackers to execute stored XSS attacks. Learn about mitigation and long-term security measures.
In RPCMS v1.8 and below, a vulnerability exists where the "nickname" variable is not properly sanitized, allowing an attacker to inject XSS payloads and achieve stored XSS through the "update password" function.
Understanding CVE-2021-37393
This section will provide insights into the nature and implications of the CVE-2021-37393 vulnerability.
What is CVE-2021-37393?
The vulnerability in RPCMS v1.8 and earlier versions enables an attacker to inject XSS payloads into the "nickname" variable. When unsuspecting users view articles published by the compromised user, the XSS payload is triggered.
The Impact of CVE-2021-37393
Exploitation of this vulnerability can lead to stored XSS attacks, potentially compromising the security and integrity of the affected system.
Technical Details of CVE-2021-37393
Explore the specific technical aspects of CVE-2021-37393 for a deeper understanding.
Vulnerability Description
The flaw arises from the lack of proper sanitization of the "nickname" variable in RPCMS v1.8 and earlier versions, allowing malicious actors to insert XSS payloads.
Affected Systems and Versions
RPCMS v1.8 and prior versions are impacted by this vulnerability, exposing systems that have not implemented necessary security measures.
Exploitation Mechanism
Attackers can exploit this flaw by injecting malicious XSS payloads into the "nickname" variable via the "update password" function.
Mitigation and Prevention
Learn about the measures to mitigate the risks associated with CVE-2021-37393 and prevent potential attacks.
Immediate Steps to Take
It is crucial to apply patches or security updates provided by the vendor to address the vulnerability promptly and prevent exploitation.
Long-Term Security Practices
Implement strong input validation and output encoding practices to mitigate XSS attacks and enhance overall system security.
Patching and Updates
Regularly update the RPCMS software to the latest secure version to ensure that known vulnerabilities, such as CVE-2021-37393, are addressed effectively.