[publify_core] Code injection in publify

Code Injection in GitHub repository publify/publify prior to 9.2.8.
References

https://nvd.nist.gov/vuln/detail/CVE-2022-0578
https://github.com/publify/publify/commit/b50df050c593cc532b2c516792989bcfce2d73f7
https://huntr.dev/bounties/02c81928-eb47-4…