Sensitive data in a logger message detected.

  • Rule ID: javascript_lang_logger
  • Languages: javascript
  • Source: logger.yml

Description

Leaking sensitive data to loggers is a common cause of data leaks and can lead to data breaches. This rule looks for instances of sensitive data sent to loggers.

Remediations

❌ Avoid using sensitive data in logger messages:

logger.info(`User is: ${user.email}`)

✅ If you need to identify a user, use their unique identifier instead of their personal identifiable information:

logger.info(`User is: ${user.uuid}`)

Resources

Associated CWE

OWASP Top 10