CVE-2017-11666 Explained : Impact and Mitigation

An XSS vulnerability has been identified in the file previewer plugin (js/ViewerPanel.js) of Kopano WebApp versions 3.3.0 and earlier, allowing remote attackers to inject malicious web script or HTML into the system.

Understanding CVE-2017-11666

This CVE refers to a Cross-site scripting (XSS) vulnerability in Kopano WebApp versions 3.3.0 and earlier.

What is CVE-2017-11666?

This vulnerability enables remote attackers to inject arbitrary web script or HTML via a specially crafted previewable file.

The Impact of CVE-2017-11666

Remote attackers can exploit this vulnerability to inject malicious web script or HTML into the system.

Technical Details of CVE-2017-11666

This section provides more technical insights into the vulnerability.

Vulnerability Description

The XSS vulnerability exists in js/ViewerPanel.js in the file previewer plugin of Kopano WebApp versions 3.3.0 and earlier.

Affected Systems and Versions

Kopano WebApp versions 3.3.0 and earlier are affected by this vulnerability.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by using a specially crafted previewable file to inject malicious web script or HTML.

Mitigation and Prevention

Protecting systems from CVE-2017-11666 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Kopano WebApp to a version that includes a patch for this vulnerability.
Implement content security policies to mitigate XSS attacks.

Long-Term Security Practices

Regularly update and patch software to address security vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate vulnerabilities.

Patching and Updates

Apply patches provided by Kopano to fix the XSS vulnerability in the file previewer plugin.