RCE in Get-simple Getsimplecms
CVE-2021-47778
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.
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.011 (61.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Get-simple Getsimplecms — versions 1.1.2
- Get-simple My Smtp Contact Plugin — versions 1.1.2
Weakness classification (CWE)
References
- disclosure@vulncheck.com (Exploit, VDB Entry, Third Party Advisory, exploit)
- disclosure@vulncheck.com (Product, product)
- disclosure@vulncheck.com (Product, product)
- disclosure@vulncheck.com (Exploit, technical-description, Third Party Advisory, exploit)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2021-47778?
- CVE-2021-47778 is a high-severity vulnerability in Get-simple Getsimplecms, classified under Code Injection. CVSS score: 7.2/10. Published 2026-01-21.
- How severe is CVE-2021-47778?
- High severity. CVSS v3 base score is 7.2 out of 10.