This vulnerability is moderately dangerous and expected to become exploited. 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 inject their own content into pages and posts of your website. This could also be abused to inject phishing pages into your website.
CVSS score is a way to evaluate and rank reported vulnerabilities in a standardized and repeatable way but which is not ideal for WordPress.
We advise to mitigate or resolve the vulnerability immediately.
Patchstack has issued a mitigation rule to block any attacks until you have updated to a patched version.
Update to version 8.7.00.004 or later to resolve the vulnerability. Patchstack users can turn on auto-update for vulnerable plugins only.