Firebase Authentication < 1.7.1 - Unauthenticated Privilege Escalation via Account Takeover
criticalThe Firebase Authentication plugin for WordPress is vulnerable to Privilege Escalation in all versions up to 1.7.1 (exclusive). This is due to the plugin not properly verifying an email in a session request. This makes it possible for unauthenticated attackers to log in as other users, including administrators.
- CVSS:
- 9.8 (Wordfence)
- Affected:
- up to 1.7.1
- Fixed in:
- 1.7.1
- Disclosed:
- Aug 20, 2026