PT-2021-14284 · Unknown · Booking Package - Appointment Booking Calendar System

Gen Sato · Published 2021-11-24 · Updated 2021-11-27 · CVE-2021-20840

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Booking Package - Appointment Booking Calendar System versions prior to 1.5.11

Description: A cross-site scripting issue allows a remote attacker to inject an arbitrary script via unspecified vectors.

Recommendations: For versions prior to 1.5.11, update to version 1.5.11 or later to resolve the issue. As a temporary workaround, consider restricting user input to minimize the risk of exploitation.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-20840

Affected Products

Booking Package - Appointment Booking Calendar System

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-20840 · Security Note
• https://saasproject.net/ja/fixed/20211019.php · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-20840 · Vendor Advisory
• https://t.me/cibsecurity/32944 · Telegram Post
• https://jvn.jp/en/jp/JVN68066589/index.html · Note
• https://wordpress.org/plugins/booking-package · Note