CVE-2026-76793: high-severity vulnerability in Firebase Authentication
Firebase Authentication < 1.7.1 - Unauthenticated Account Takeover via Firebase Email Claim
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 8.1epss 0.5%
The Firebase Authentication WordPress plugin before 1.7.1 does not require the email address in an authentication token to be verified before matching it to a WordPress account and issuing a session, allowing unauthenticated attackers to log in as any user, including administrators.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Unknown · Firebase Authenticationpublic PoCs found — 1
cve_referencewpscan.com/vulnerability/0414ef2b-0d97-41c7-9146-f31ace8b66b2/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.