CVE-2019-7250 : What You Need to Know

A vulnerability has been identified in the Google Docs Cross Reference Add-on 36 that allows for Stored Cross-Site Scripting (XSS) attacks.

Understanding CVE-2019-7250

This CVE involves a security issue in the Cross Reference Add-on 36 for Google Docs, enabling malicious users to inject arbitrary JavaScript code through the configuration panel.

What is CVE-2019-7250?

The vulnerability in the Google Docs Cross Reference Add-on 36 allows attackers to execute Stored Cross-Site Scripting (XSS) attacks by injecting malicious JavaScript code through the plugin's configuration panel.

The Impact of CVE-2019-7250

The vulnerability could lead to unauthorized execution of scripts on the victim's browser, potentially compromising sensitive information or performing malicious actions.

Technical Details of CVE-2019-7250

This section provides more technical insights into the vulnerability.

Vulnerability Description

The configuration panel of the Cross Reference Add-on 36 for Google Docs contains preview boxes that are vulnerable to Stored Cross-Site Scripting (XSS) attacks, enabling the injection of arbitrary JavaScript code.

Affected Systems and Versions

Product: Google Docs Cross Reference Add-on 36
Vendor: Google
Version: All versions are affected

Exploitation Mechanism

Malicious users can inject arbitrary JavaScript code using label text and references text through the plugin's configuration panel.
The injected code, including SCRIPT elements and event handlers, is stored by the plugin, allowing attackers to target users who access the configuration panel.

Mitigation and Prevention

Protecting systems from CVE-2019-7250 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable or remove the vulnerable Cross Reference Add-on 36 from Google Docs.
Educate users about the risks of executing scripts from untrusted sources.
Regularly monitor and review configurations for any unauthorized changes.

Long-Term Security Practices

Implement security training for developers to prevent similar vulnerabilities in future add-ons.
Conduct regular security assessments and penetration testing to identify and address potential security weaknesses.

Patching and Updates

Check for security patches or updates provided by Google for the Cross Reference Add-on to address the XSS vulnerability.