Improper input validation in Application Express Team Calendar Plugin - CVE-2023-21974
Published: July 18, 2023 / Updated: January 21, 2026
Vulnerability identifier: #VU121920
CSH Severity: High
CVSS v4: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-21974
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote authenticated user to execute arbitrary code.
The vulnerability exists due to improper input validation within the User Account component in Application Express Team Calendar Plugin. A remote authenticated user can exploit this vulnerability to execute arbitrary code.
Affected software
Application Express Team Calendar Plugin
How to mitigate CVE-2023-21974
Install updates from vendor's website.