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OpenAdvisories
Medium VA-25-296-01 1 CVE

Frontier Airlines website publicly available email address validation

Published Oct 23, 2025 · Updated Oct 23, 2025

Summary

The Frontier Airlines website has a publicly available endpoint that validates if an email addresses is associated with an account. An unauthenticated, remote attacker could determine valid email addresses, possibly aiding in further attacks.

Vulnerabilities 1

  • Medium 5.3

    Frontier Airlines publicly available email address validation

    The Frontier Airlines website has a publicly available endpoint that validates if an email addresses is associated with an account. An unauthenticated, remote attacker could determine valid email addresses, possibly aiding in further attacks.

Revision history

  1. #1.0.0

    Initial publication