can anyone help me to implementing a hotfix for `PRODSECBUG-2198` on Magento open source 1.9 that doesn't require patching with `supee-11086?` For yet to be determined reasons, I haven't been able to install the previous four patches without causing a necessary extension to fail. I was ok with this because those patches fixed vulnerabilities which required a would be hacker to already have compromised an administrator account..

We have 1.9.2.2

Thanks!