Error: Method Through Reflection is Not Allowed after Applying Sitecore Hotfix
Recently, Sitecore security bulletin SC2023-003-587441 addresses Critical (582720) and High (584731) severity vulnerabilities in Sitecore software and provides the cumulative hotfix for the same. I have applied this hotfix in my solution and deployed it, but I have encountered the following error while publishing the Sitecore Items. If you are looking for how to install the Sitecore Cumulative hotfix OnPrem and PaaS instances, see the blog post: Sitecore Cumulative Hotfixes Installation on OnPrem and PaaS Solution: This Security Hotfix might add a security layer that prevents the execution of unexpected methods through reflection. As I have customized the publishing method for Sitecore items, I am getting this issue while publishing the Sitecore items. Go to the path " \App_Config\Sitecore\CMS.Core\ " and open the " Sitecore.Reflection.Filtering.config " file. Add the method name to the " Sitecore.Reflect