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-2026-77826
Unknown RegistrationMagic — RegistrationMagic 5.0.1.8 - 6.0.9.8 - Unauthenticated Authentication Bypass via Missing Facebook Token Audience Validation
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N R U H H H 8.8 .0041 32.7 —
AFFECTED
Product Versions Fixed
RegistrationMagic 5.0.1.8 – —
TIMELINE
Aug 21 Reserved by WPScan
Sep 5 Published (CNA: WPScan)
Sep 6 EXPLOIT PUBLISHED — CVE-2026-77826 (Unknown RegistrationMagic). Public exploit reference added.
Description
The RegistrationMagic WordPress plugin before 6.0.9.9 does not verify which application a Facebook access token was issued to before accepting it as proof of identity, allowing unauthenticated attackers to log in as an existing user whose token they can obtain, or to create and log into a new account even when user registration is disabled.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| August 21, 2026 | Reserved | Reserved by WPScan |
| September 5, 2026 | Published | Published (CNA: WPScan) |
| September 6, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-77826 (Unknown RegistrationMagic). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Unknown | RegistrationMagic | — | 5.0.1.8 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-77826 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.
