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Case File

CVE-2021-20840

MEDIUM · CVSS 6.1 EPSS 1.24%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-11-24 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.1. It may be remotely exploitable.

CVE
CVE-2021-20840
Severity
MEDIUM
CVSS
6.1
EPSS
1.24%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)