CVE-2017-5542 : Vulnerability Insights and Analysis

A vulnerability known as cross-site scripting (XSS) has been discovered in template/usererror.missing_extension.php in Symphony CMS versions prior to 2.6.10. This vulnerability enables attackers to insert malicious web script or HTML into the existing-folder parameter remotely.

Understanding CVE-2017-5542

This CVE identifies a cross-site scripting vulnerability in Symphony CMS before version 2.6.10.

What is CVE-2017-5542?

CVE-2017-5542 is a security vulnerability in Symphony CMS that allows remote attackers to inject malicious web script or HTML via a specific parameter.

The Impact of CVE-2017-5542

This vulnerability can be exploited by attackers to execute arbitrary code, steal sensitive information, or perform other malicious actions on affected systems.

Technical Details of CVE-2017-5542

Symphony CMS before version 2.6.10 is susceptible to the following:

Vulnerability Description

The vulnerability lies in the template/usererror.missing_extension.php file, enabling attackers to perform cross-site scripting attacks.

Affected Systems and Versions

Product: Symphony CMS
Vendor: Symphony
Versions Affected: Prior to 2.6.10

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious web script or HTML into the existing-folder parameter remotely.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigate the risks associated with CVE-2017-5542.

Immediate Steps to Take

Update Symphony CMS to version 2.6.10 or later to patch the vulnerability.
Monitor for any suspicious activities on the system.

Long-Term Security Practices

Regularly update software and applications to the latest versions.
Conduct security audits and penetration testing to identify and address vulnerabilities.

Patching and Updates

Ensure timely patching of software and systems to address known vulnerabilities and enhance overall security.