This vulnerability is moderately dangerous and expected to become exploited.
This could allow a malicious actor to upload any type of file to your website. This can include backdoors which are then executed to gain further access to 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 3.5.5 or later to remove the vulnerability.
Early warning sent out to Patchstack customers
31 Mar, 2025
Published by Patchstack
31 Mar, 2025