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    CVE-2026-87966

    The Easy Appointments WordPress plugin before 4.0.2.2 does not perform an ownership or authorization check on its unauthenticated appointment-reservation endpoint before updating an existing appointment identified by a request-supplied id, allowing unauthenticated attackers to overwrite, and through a follow-on cleanup delete, arbitrary appointments.

    Published:Sep 18, 2026
    Last Modified:Sep 18, 2026
    EPS:Sep 18, 2026
    EPSS Score:0.00146
    CVSS Score:5.3

    Affected Products

    Vendor
    Easy-appointments
    Product
    Easy Appointments
    Vendor
    Wordpress
    Product
    Wordpress

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-19406 (CVSS 2.7) — The Easy Appointments WordPress plugin before 4.0.1 does not restrict one of its appointment-listing REST endp…
    CVE-2026-14225 (CVSS 2.7) — The Easy Appointments WordPress plugin before 3.12.28 does not correctly validate shortcode input in one of it…
    CVE-2026-14226 (CVSS 4.3) — The Easy Appointments WordPress plugin before 3.12.28 does not require a sufficient capability on one of its a…
    CVE-2026-14223 (CVSS 4.3) — The Easy Appointments WordPress plugin before 3.12.28 does not verify ownership or capability when returning s…
    CVE-2026-14222 (CVSS 3.8) — The Easy Appointments WordPress plugin before 3.12.28 does not perform any capability or nonce check in one of…
    CVE-2026-14221 (CVSS 3.8) — The Easy Appointments WordPress plugin through 4.0 does not perform capability checks in several of its appoin…
    CVE-2026-14188 (CVSS 2.7) — The Easy Appointments WordPress plugin before 3.12.28 does not perform a per-request capability or nonce check…
    CVE-2026-14224 (CVSS 5.4) — The Easy Appointments WordPress plugin before 3.12.28 does not verify that the appointment targeted by its cus…

    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