This vulnerability is highly dangerous and expected to become exploited.
A backdoor is a malicious file which could allow a malicious actor to gain access and exploit your website at any time they desire. One example would be to execute a payload to inject advertisements on 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 fixed version.
Update to version 11.9.5 or later to remove the vulnerability. Patchstack users can turn on auto-update for vulnerable plugins only.
Early warning sent out to Patchstack customers
28 Jun, 2024
Published by Patchstack
28 Jun, 2024