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CVE-2020-24313

MEDIUM 6.1 CVSS 3.1
Published
August 26, 2020
Last modified
June 17, 2026
NVD status
Modified
Reported by
cve@mitre.org
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

Etoile Web Design Ultimate Appointment Booking & Scheduling WordPress Plugin v1.1.9 and lower does not sanitize the value of the "Appointment_ID" GET parameter before echoing it back out inside an input tag. This results in a reflected XSS vulnerability that attackers can exploit with a specially crafted URL.

Affected WordPress components

  • Ultimate Appointment Booking & Scheduling Plugin · ultimate-appointment-scheduling
    Confirmed match Active
    Versions not specified
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • n/a n/a — Versions not specified
  • etoilewebdesign ultimate_appointment_booking_\&_scheduling — Up to and including 1.1.9

References

  • wordpress.org https://wordpress.org/plugins/ultimate-appointment-scheduling/ Product, Third Party Advisory
  • zeroaptitude.com https://zeroaptitude.com/zerodetail/wordpress-plugin-bug-hunting-part-1/ Exploit, Third Party Advisory, URL Repurposed
  • nvd.nist.gov Official NVD record