CVE-2026-76793
High
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.
SeverityHigh
CVSS8.1
Exploit probability—
Product
Firebase Authentication
PublishedAug 22, 2026
First seenAug 22, 2026
Weakness typeCWE-287Improper authentication
How to fix
Update
- Firebase Authentication1.7.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Firebase Authentication | v < 1.7.1 | 1.7.1 |
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