As immediate action, update the affected plugin. If you're unable to do so, ask your hosting provider or web developer for help.
Private information like passwords, emails, or payment details can be exposed and stolen by unauthorized parties.
CVSS score is a way to evaluate and rank reported vulnerabilities in a standardized and repeatable way but which is not ideal for WordPress.
This security issue has a low severity impact and is unlikely to be exploited.
Update to version 240315 or later to resolve the vulnerability. Patchstack users can turn on auto-update for vulnerable plugins only.