CVE-2019-15313 : Security Advisory and Response

A non-persistent XSS vulnerability exists in versions of Zimbra Collaboration prior to 8.8.15 Patch 1.

Understanding CVE-2019-15313

In Zimbra Collaboration before 8.8.15 Patch 1, a non-persistent XSS vulnerability has been identified.

What is CVE-2019-15313?

This CVE refers to a non-persistent cross-site scripting (XSS) vulnerability found in Zimbra Collaboration versions before 8.8.15 Patch 1.

The Impact of CVE-2019-15313

The vulnerability could allow an attacker to execute malicious scripts in the context of an unsuspecting user's web session, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2019-15313

Vulnerability Description

A non-persistent XSS vulnerability exists in Zimbra Collaboration versions prior to 8.8.15 Patch 1, allowing for script injection attacks.

Affected Systems and Versions

Product: Zimbra Collaboration
Versions affected: Before 8.8.15 Patch 1

Exploitation Mechanism

The vulnerability can be exploited by tricking a user into clicking on a specially crafted link or visiting a malicious website.

Mitigation and Prevention

Immediate Steps to Take

Update Zimbra Collaboration to version 8.8.15 Patch 1 or later to mitigate the vulnerability.
Educate users about the risks of clicking on unknown links or visiting suspicious websites.

Long-Term Security Practices

Regularly monitor and audit web applications for vulnerabilities like XSS.
Implement content security policies (CSP) to reduce the impact of XSS attacks.

Patching and Updates

Ensure timely installation of security patches and updates for Zimbra Collaboration to address known vulnerabilities.