CVE-2021-47778

moderate-risk
Published 2026-01-21

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.

Do I need to act?

~
1.1% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.2/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Get-Simple

References (5)

Product http://get-simple.info
Product https://github.com/GetSimpleCMS/GetSimpleCMS
Exploit https://github.com/boku7/gsSMTP-Csrf2Xss2RCE/
Exploit https://www.exploit-db.com/exploits/49774
Third Party Advisory https://www.vulncheck.com/advisories/getsimple-cms-my-smtp-contact-plugin-php-co...
34
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 3/34 · Minimal
Exposure 5/34 · Minimal