CVE-2021-47830

Name: CVE-2021-47830
Creator: NVD / NIST
Published: 2026-01-21T18:16:09.833+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.1/10EPSS 0.35%

Last modified Jun 17, 2026

CVE-2021-47830 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. GetSimple CMS My SMTP Contact Plugin 1.1.1 contains a cross-site request forgery (CSRF) vulnerability. Attackers can craft a malicious webpage that, when visited by an authenticated administrator, can change SMTP configuration settings in the plugin. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

GetSimple CMS My SMTP Contact Plugin 1.1.1 contains a cross-site request forgery (CSRF) vulnerability. Attackers can craft a malicious webpage that, when visited by an authenticated administrator, can change SMTP configuration settings in the plugin. This may allow unauthorized changes but does not directly enable remote code execution.

Metrics

CVSS 3.1

6.5/10

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

CVSS 4.0

5.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.35%

26.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Get-Simple	Getsimplecms	1.1.1

References

http://get-simple.infoProduct
https://github.com/GetSimpleCMS/GetSimpleCMSProduct
https://www.exploit-db.com/exploits/49774Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/49798Exploit, Third Party Advisory, VDB Entry
https://www.vulncheck.com/advisories/getsimple-cms-my-smtp-contact-plugin-csrfThird Party Advisory

Timeline

Published: Jan 21, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-47830?

How severe is CVE-2021-47830?

CVE-2021-47830 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.

How do I fix CVE-2021-47830?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-47830?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST