CVE-2019-14770 : What You Need to Know

Backdrop CMS versions 1.12.x up to 1.12.8 and 1.13.x up to 1.13.3 are vulnerable to a potential security issue where certain menu links in the administration bar can be manipulated to execute JavaScript code. This vulnerability requires the attacker to have specific permissions to create administrative menu links.

Understanding CVE-2019-14770

This CVE identifies a security vulnerability in Backdrop CMS versions 1.12.x up to 1.12.8 and 1.13.x up to 1.13.3 that could allow for the execution of JavaScript code through manipulated menu links.

What is CVE-2019-14770?

In Backdrop CMS versions 1.12.x before 1.12.8 and 1.13.x before 1.13.3, certain menu links within the administration bar can be crafted to execute JavaScript when the administrator is logged in and uses the search functionality. The attacker must have permissions to create administrative menu links, typically restricted to trusted or administrative users.

The Impact of CVE-2019-14770

Attackers can exploit this vulnerability to execute malicious JavaScript code within the context of an authenticated administrator.

Technical Details of CVE-2019-14770

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability allows for the execution of JavaScript code through manipulated menu links in the administration bar of affected Backdrop CMS versions.

Affected Systems and Versions

Backdrop CMS versions 1.12.x up to 1.12.8 and 1.13.x up to 1.13.3 are impacted by this vulnerability.

Exploitation Mechanism

The attacker needs specific permissions to create administrative menu links to exploit this vulnerability.

Mitigation and Prevention

Protect your system from CVE-2019-14770 with the following steps:

Immediate Steps to Take

Update Backdrop CMS to versions 1.12.8 or 1.13.3, where the vulnerability is patched.
Regularly review and restrict permissions for creating administrative menu links.

Long-Term Security Practices

Implement the principle of least privilege for user permissions.
Conduct regular security audits and penetration testing to identify and address vulnerabilities.

Patching and Updates

Stay informed about security updates and patches released by Backdrop CMS to address known vulnerabilities.