CVE-2022-40626 Explained : Impact and Mitigation
Discover the impact and mitigation steps for CVE-2022-40626, a reflected XSS vulnerability in Zabbix Frontend allowing attackers to create fake accounts with predefined credentials.
An unauthenticated user can create a link with reflected Javascript code inside the backurl parameter and send it to other authenticated users in order to create a fake account with predefined login, password, and role in Zabbix Frontend.
Understanding CVE-2022-40626
This CVE involves a reflected Cross-site Scripting (XSS) vulnerability in the backurl parameter of Zabbix Frontend, allowing attackers to create fake accounts.
What is CVE-2022-40626?
CVE-2022-40626 is a security vulnerability in Zabbix Frontend that enables unauthenticated users to execute malicious Javascript code by exploiting the backurl parameter.
The Impact of CVE-2022-40626
The vulnerability poses a medium severity risk with high confidentiality impact, potentially allowing attackers to create unauthorized accounts with predefined credentials.
Technical Details of CVE-2022-40626
The vulnerability carries a CVSS base score of 4.8, indicating a medium severity issue with high attack complexity and user interaction required.
Vulnerability Description
An unauthenticated user can insert malicious JavaScript code in the backurl parameter to trick authenticated users into creating fake accounts unknowingly.
Affected Systems and Versions
Zabbix Frontend versions 6.0.0 to 6.0.6 and version 6.2.0 are impacted by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a specially-crafted link containing malicious JavaScript code and sending it to authenticated users.
Mitigation and Prevention
It is essential to apply the necessary updates to remediate CVE-2022-40626 and prevent potential exploitation.
Immediate Steps to Take
Review user access rights in Zabbix Frontend, remain vigilant for suspicious URLs, and apply updates as soon as possible.
Long-Term Security Practices
Regularly update Zabbix Frontend, educate users about phishing risks, and promote safe browsing habits.
Patching and Updates
Always install updates promptly to address known vulnerabilities and enhance the security of Zabbix Frontend.