Yes. opensource-workshop/connect-cms (Packagist): upgrade to 1.8.7 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected?
Check whether you run opensource-workshop/connect-cms (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
opensource-workshop/connect-cms (Packagist): upgrade to 1.8.7 or later