CVE-2020-25343 : Security Advisory and Response

Symphony CMS 3.0.0 is affected by a Cross-site scripting (XSS) vulnerability that allows remote attackers to inject arbitrary web scripts or HTML via the 'body' parameter in events\event.publish_article.php.

Understanding CVE-2020-25343

This CVE entry describes a security issue in Symphony CMS 3.0.0 that can be exploited by attackers to execute XSS attacks.

What is CVE-2020-25343?

Cross-site scripting (XSS) vulnerabilities in Symphony CMS 3.0.0 enable malicious actors to insert unauthorized scripts or HTML code into the 'body' parameter through events\event.publish_article.php.

The Impact of CVE-2020-25343

This vulnerability can lead to unauthorized script execution on the affected system, potentially compromising user data and system integrity.

Technical Details of CVE-2020-25343

Symphony CMS 3.0.0's XSS vulnerability is detailed below.

Vulnerability Description

The flaw in Symphony CMS 3.0.0 allows remote attackers to inject malicious web scripts or HTML code via the 'body' parameter in events\event.publish_article.php.

Affected Systems and Versions

Product: Symphony CMS 3.0.0
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts or HTML code into the 'body' parameter via events\event.publish_article.php.

Mitigation and Prevention

Protect your systems from CVE-2020-25343 with the following steps:

Immediate Steps to Take

Implement input validation mechanisms to sanitize user inputs.
Regularly monitor and update Symphony CMS to the latest secure version.

Long-Term Security Practices

Educate users on safe browsing habits and recognizing phishing attempts.
Conduct regular security audits and penetration testing to identify and address vulnerabilities.

Patching and Updates

Apply patches and updates provided by Symphony CMS promptly to mitigate the XSS vulnerability.