CVE-2026-76793CWE-287

CVE-2026-76793

High · published August 22, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
39.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00468 · 39.5th percentile
Weakness
CWE-287 · Improper Authentication
Published
2026-08-22T10:16Z
References (1)
EPSS history
Timeline
  • 22 AUG 06:00Z
    Firebase Authentication < 1.7.1 - Unauthenticated Account Takeover via Firebase Email Claim
    cvelistv5