File Upload vulnerability in Feehi CMS thru 2.1.1 allows attackers to run arbitrary code via crafted image upload. References https://nvd.nist.gov/vuln/detail/CVE-2021-36573 https://github.com/liufee/cms/issues/59 https://github.com/advisories/GHSA-67mh-hw8v-x8v9
