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    CVE-2026-17021

    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.

    Published:Aug 10, 2026
    Last Modified:Aug 13, 2026
    EPS:Aug 10, 2026
    EPSS Score:0.00182
    CVSS Score:5.3

    Affected Products

    Vendor
    Salonbookingsystem
    Product
    Salon Booking System
    Vendor
    Wordpress
    Product
    Wordpress

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

    CVE-2026-17023 (CVSS 4.8) — The Salon Booking System WordPress plugin through 10.30.33 does not perform any capability check or validate …
    CVE-2026-17022 (CVSS 7.5) — The Salon Booking System WordPress plugin before 10.30.34 does not properly validate a booking's ownership to…
    CVE-2026-17020 (CVSS 4.3) — The Salon Booking System WordPress plugin through 10.31.0 does not verify that a requested booking belongs to…
    CVE-2026-11887 (CVSS 4.3) — The Salon Booking System WordPress plugin before 10.30.20 does not have proper authorisation checks on one of…
    CVE-2024-9882 (CVSS 4.8) — The Salon Booking System, Appointment Scheduling for Salons, Spas & Small Businesses WordPress plugin before 1…
    CVE-2025-32220 (CVSS 5.4) — Missing Authorization vulnerability in Dimitri Grassi Salon booking system salon-booking-system allows Exploit…
    CVE-2025-31560 (CVSS 7.2) — Incorrect Privilege Assignment vulnerability in Dimitri Grassi Salon booking system salon-booking-system allow…
    CVE-2024-47316 (CVSS 4.3) — Authorization Bypass Through User-Controlled Key vulnerability in Dimitri Grassi Salon booking system salon-bo…
    CVE-2024-39658 (CVSS 7.6) — Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Salon Bo…
    CVE-2024-43280 (CVSS 4.7) — URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Salon Booking System Salon booking system…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High