As immediate action, update the affected plugin. If you're unable to do so, ask your hosting provider or web developer for help.
Other similar CVE IDs: CVE-2023-6694
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 1.4.9.1 or later to resolve the vulnerability. Patchstack users can turn on auto-update for vulnerable plugins only.