While you should probably take some services offline altogether, FreshRSS has an update out.
Just one of many updates that we’re going to be seeing over the next few hours / days.
For those who haven’t seen it yet
https://therecord.media/php-script-vulnerabilities-warnings
Hundreds of websites taken offline as concern grows over two PHP vulnerabilities
https://www.huntress.com/blog/php2shell-leaked-critical-php-vulnerabilities
The vulnerability is in PHP. This FreshRSS release addresses the vulnerability by updating the version of PHP in the container image. If you’re not using the official FreshRSS container image, you just need to update your PHP.