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.
Patchstack has issued a mitigation rule to block any attacks until you have updated to a fixed version.
Update to version 3.0.0 or later to remove the vulnerability. Patchstack users can turn on auto-update for vulnerable plugins only.
17 Apr, 2024