Back to Database
Status published
Medium
CVE-2021-20840
Cross-site scripting vulnerability in Booking Package - Appointment Booking Calendar...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-20840
Credits & Attribution
No credits recorded in the NVD database.
Affected Vendor
Saasproject
View all reports →Affected Software
Booking Package - Appointment Booking Calendar System
Vulnerable Versions:
versions prior to 1.5.11
Timeline
Official Publish:
November 24th, 2021
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.