CVE-2026-76793

Firebase Authentication < 1.7.1 - Unauthenticated Account Takeover via Firebase Email Claim

Published Aug 22, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions firebase Authentication
Vendors & Products Wordpress-extensions
Wordpress-extensions firebase Authentication
Type Values Removed Values Added
Weaknesses CWE-285
Type Values Removed Values Added
Weaknesses CWE-287
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-285
Type Values Removed Values Added
Description 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.
Title Firebase Authentication < 1.7.1 - Unauthenticated Account Takeover via Firebase Email Claim
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Aug 23, 2026, 3:33 PM
Reserved
Aug 19, 2026, 5:55 PM
Status
Deferred
Published
Aug 22, 2026, 6:16 AM
Modified
Oct 12, 2026, 4:10 PM