HIGH

CVE-2021-47778

GetSimple CMS My SMTP Contact Plugin 1.1.2 - PHP Code Injection

CVSS v3

7.2

HIGH

EPSS Score

1.3 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

poc

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2021-47778 yet.

Full record on NVD

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.

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published: 2026-01-21
Last Modified: 2026-03-06

Frequently asked questions

What is CVE-2021-47778?

Is CVE-2021-47778 actively exploited?

A proof-of-concept exploit exists for CVE-2021-47778, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2021-47778?

CVE-2021-47778 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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