Do you keep a testing branch of the site, where you are able to experiment with newer components on a private version, while leaving the public version intact? If you don't do that already, you might want to consider it.
Are you on any PostNuke mailing lists? Those often warn of API breakage ahead of time. They also tell you when you need to patch. Such as right now. Again. The newest vulnerability is from Wednesday.
Do you keep a testing branch of the site, where you are able to experiment with newer components on a private version, while leaving the public version intact? If you don't do that already, you might want to consider it.
Are you on any PostNuke mailing lists? Those often warn of API breakage ahead of time. They also tell you when you need to patch. Such as right now. Again. The newest vulnerability is from Wednesday.