CVE-2021-47778

8.6 highEPSS 1.3%

High (8.6) in get-simple getsimplecms. EPSS 1.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.6 high

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

CVSS 3.1

7.2 high

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.3% chance of exploitation in the next 30 days; higher than 70% of CVEs (scores of 2026-10-31)
CWE: CWE-94
Published: 2026-01-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

get-simple:getsimplecms

References

http://get-simple.info
https://github.com/GetSimpleCMS/GetSimpleCMS
https://github.com/boku7/gsSMTP-Csrf2Xss2RCE/
https://www.exploit-db.com/exploits/49774
https://www.vulncheck.com/advisories/getsimple-cms-my-smtp-contact-plugin-php-code-injection

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