Leakage of sensitive data to Google Tag Manager

• Rule ID: javascript_third_parties_google_tag_manager
• Languages: javascript
• Source: google_tag_manager.yml

Description

Leaking sensitive data to third-party services and tools like Google Tag Manager is a common cause of data leaks and can lead to data breaches.

Remediations

• Do ensure all sensitive data is removed when sending data to analytics libraries like Google Analytics.
• Do use unique identifiers from the database if you really need to identify users.

  datalayer.push({
    user: {
      uuid: user.uuid
    }
  })

References

• OWASP logging cheat sheet

Associated CWE

• CWE-201: Insertion of Sensitive Information Into Sent Data

OWASP Top 10

• A01:2021 - Broken Access Control

Configuration

To skip this rule during a scan, use the following flag

bearer scan /path/to/your-project/ --skip-rule=javascript_third_parties_google_tag_manager

To run only this rule during a scan, use the following flag

bearer scan /path/to/your-project/ --only-rule=javascript_third_parties_google_tag_manager