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-2026-76586
Unknown Appointment Booking Calendar Plugin and Scheduling Plugin — BookingPress 1.5.6 - 1.6.2 - Unauthenticated Booking Price Manipulation via PayPal Payment Confirmation
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N N U N H N 7.5 .0036 27.2 —
AFFECTED
Product Versions Fixed
Appointment Booking Calendar Plugin and Scheduling Plugin 1.5.6 – —
TIMELINE
Aug 19 Reserved by WPScan
Aug 29 Published (CNA: WPScan)
Aug 30 EXPLOIT PUBLISHED — CVE-2026-76586 (Unknown Appointment Booking Calendar Plugin and Scheduling Plugin). Public exploit reference added.
Description
The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin before 1.6.3 does not verify the amount actually paid against the server-side price staged for a booking when confirming an online payment, allowing unauthenticated users to have a paid appointment approved for a fraction of its price.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| August 19, 2026 | Reserved | Reserved by WPScan |
| August 29, 2026 | Published | Published (CNA: WPScan) |
| August 30, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-76586 (Unknown Appointment Booking Calendar Plugin and Scheduling Plugin). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Unknown | Appointment Booking Calendar Plugin and Scheduling Plugin | — | 1.5.6 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-76586 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.
