Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Unknown Salon Booking System — Salon Booking System – Free Version < 10.30.34 - Unauthenticated Arbitrary Booking Total Tampering
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N N U N L N 5.3 .0018 8.1 —
AFFECTED
Product Versions Fixed
Salon Booking System unspecified —
TIMELINE
Jul 24 Reserved by WPScan
Aug 10 Published (CNA: WPScan)
Aug 11 EXPLOIT PUBLISHED — CVE-2026-17021 (Unknown Salon Booking System). Public exploit reference added.
Description
The Salon Booking System WordPress plugin before 10.30.34 does not properly restrict access to some of its booking-modification AJAX actions and does not verify ownership of the targeted booking, allowing unauthenticated users to tamper with the stored total of arbitrary bookings.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| July 24, 2026 | Reserved | Reserved by WPScan |
| August 10, 2026 | Published | Published (CNA: WPScan) |
| August 11, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-17021 (Unknown Salon Booking System). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Unknown | Salon Booking System | — | — | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-17021 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 Wednesday, August 19, 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.