Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-76793
Unknown Firebase Authentication — Firebase Authentication < 1.7.1 - Unauthenticated Account Takeover via Firebase Email Claim
AV AC PR UI S C I A CVSS EPSS %ile KEV
N H N N U H H H 8.1 .0047 38.3 —
AFFECTED
Product Versions Fixed
Firebase Authentication unspecified —
TIMELINE
Aug 19 Reserved by WPScan
Aug 22 Published (CNA: WPScan)
Aug 23 EXPLOIT PUBLISHED — CVE-2026-76793 (Unknown Firebase Authentication). Public exploit reference 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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| August 19, 2026 | Reserved | Reserved by WPScan |
| August 22, 2026 | Published | Published (CNA: WPScan) |
| August 23, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-76793 (Unknown Firebase Authentication). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Unknown | Firebase Authentication | — | — | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-76793 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
