CVE-2021-20840

medium

Description

Cross-site scripting vulnerability in Booking Package - Appointment Booking Calendar System versions prior to 1.5.11 allows a remote attacker to inject an arbitrary script via unspecified vectors.

References

https://wordpress.org/plugins/booking-package/

https://saasproject.net/ja/fixed/20211019.php

https://jvn.jp/en/jp/JVN68066589/index.html

Details

Source: Mitre, NVD

Published: 2021-11-24

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N