Vulnerabilities like this one are used in mass-exploit campaigns. Attackers use these to attack thousands of websites at a time, regardless of traffic size or popularity. Learn more.
As immediate action, update the affected plugin. If you're unable to do so, ask your hosting provider or web developer for help.
This could allow a malicious actor to redirect users from one site to the other due to the redirect URL not being validated. Users could be tricked to visiting a legitimate site to then be redirected to a malicious site and cause a phishing incident.
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 7.x-4.19,7.x-3.8 or later to resolve the vulnerability.
This software was last updated over a year ago and will likely not receive further updates or patches. Note that deactivating the software does not remove the security threat unless mitigation rule by Patchstack is deployed.