{"id":"CVE-2021-47778","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-47778","generatedAt":"2026-10-27T19:05:13.554Z","title":"GetSimple CMS My SMTP Contact Plugin 1.1.2 contains a PHP code injection vulnerability.","description":"GetSimple CMS My SMTP Contact Plugin 1.1.2 contains a PHP code injection vulnerability. An authenticated administrator can inject arbitrary PHP code through plugin configuration parameters, leading to remote code execution on the server.","published":"2026-01-21T18:16:09.000Z","lastModified":"2026-06-17T04:18:28.000Z","status":"Analyzed","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":8.6,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-94"],"affected":["get-simple/getsimplecms"],"epss":{"score":0.01294,"percentile":0.70113,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.29%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://get-simple.info","tags":["Product"],"source":"disclosure@vulncheck.com"},{"url":"https://github.com/GetSimpleCMS/GetSimpleCMS","tags":["Product"],"source":"disclosure@vulncheck.com"},{"url":"https://github.com/boku7/gsSMTP-Csrf2Xss2RCE/","tags":["Exploit","Third Party Advisory"],"source":"disclosure@vulncheck.com"},{"url":"https://www.exploit-db.com/exploits/49774","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/getsimple-cms-my-smtp-contact-plugin-php-code-injection","tags":["Third Party Advisory"],"source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-47778","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}