CVE-2020-15071 Explained : Impact and Mitigation
Learn about CVE-2020-15071, a cross-site scripting (XSS) vulnerability in Symphony CMS 3.0.0 that allows attackers to execute malicious scripts via the 'name' field. Find mitigation steps and preventive measures here.
Symphony CMS 3.0.0 is vulnerable to XSS via fields['name'] in content/content.blueprintsevents.php, allowing attackers to execute malicious scripts.
Understanding CVE-2020-15071
This CVE identifies a cross-site scripting (XSS) vulnerability in Symphony CMS 3.0.0 that can be exploited through specific input fields.
What is CVE-2020-15071?
The vulnerability in content/content.blueprintsevents.php of Symphony CMS 3.0.0 enables attackers to inject and execute malicious scripts using the 'name' field to appendSubheading.
The Impact of CVE-2020-15071
This XSS vulnerability can lead to unauthorized access, data theft, and potential compromise of user information on websites powered by Symphony CMS 3.0.0.
Technical Details of CVE-2020-15071
Symphony CMS 3.0.0 is susceptible to XSS attacks due to improper input validation and sanitization.
Vulnerability Description
The issue arises from inadequate filtering of user-supplied data in the 'name' field, allowing attackers to inject and execute arbitrary scripts.
Affected Systems and Versions
- Product: Symphony CMS
- Version: 3.0.0
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating the 'name' field to inject malicious scripts, potentially compromising the security of the affected system.
Mitigation and Prevention
To mitigate the risks associated with CVE-2020-15071, immediate actions and long-term security practices are recommended.
Immediate Steps to Take
- Disable or restrict access to the vulnerable component in Symphony CMS 3.0.0.
- Implement input validation and output encoding to prevent XSS attacks.
- Regularly monitor and audit user inputs for suspicious activities.
Long-Term Security Practices
- Conduct security training for developers to enhance awareness of secure coding practices.
- Keep software and systems up to date with the latest security patches and updates.
Patching and Updates
Ensure timely installation of patches and updates released by Symphony CMS to address the XSS vulnerability in version 3.0.0.