CVE-2020-18445 : What You Need to Know
Learn about CVE-2020-18445, a Cross Site Scripting (XSS) vulnerability in YUNUCMS 1.1.9 via the upurl function in Page.php. Understand the impact, affected systems, exploitation, and mitigation steps.
A Cross Site Scripting (XSS) vulnerability exists in YUNUCMS 1.1.9 via the upurl function in Page.php.
Understanding CVE-2020-18445
This CVE involves a security issue in YUNUCMS 1.1.9 that allows for Cross Site Scripting (XSS) attacks.
What is CVE-2020-18445?
CVE-2020-18445 is a vulnerability in YUNUCMS 1.1.9 that enables attackers to execute malicious scripts on the victim's browser.
The Impact of CVE-2020-18445
This vulnerability can lead to unauthorized access, data theft, and potential manipulation of website content.
Technical Details of CVE-2020-18445
This section provides more in-depth technical information about the CVE.
Vulnerability Description
The XSS vulnerability in YUNUCMS 1.1.9 allows attackers to inject and execute malicious scripts through the upurl function in Page.php.
Affected Systems and Versions
- Affected Version: YUNUCMS 1.1.9
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious URLs that, when clicked by users, execute unauthorized scripts.
Mitigation and Prevention
Protecting systems from CVE-2020-18445 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Disable the upurl function in Page.php if not essential
- Implement input validation to sanitize user inputs
- Regularly monitor and audit website code for vulnerabilities
Long-Term Security Practices
- Educate developers on secure coding practices
- Conduct regular security training for staff
- Employ web application firewalls to filter and block malicious traffic
Patching and Updates
- Apply patches and updates provided by YUNUCMS to fix the XSS vulnerability