Medium severity · published Jan 21, 2026
CVE-2021-47830
GetSimple CMS My SMTP Contact Plugin 1.1.1 - CSRF
6.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MS
My SMTP Contact Plugin · GetSimple CMS
1.1.1 · source: vendor
GE
Getsimplecms · Get-simple
1.1.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-47830
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-47830
Product
http://get-simple.info
Product
https://github.com/GetSimpleCMS/GetSimpleCMS
Exploit
https://www.exploit-db.com/exploits/49774
Exploit
https://www.exploit-db.com/exploits/49798
Third Party Advisory
https://www.vulncheck.com/advisories/getsimple-cms-my-smtp-contact-plugin-csrf
More from My SMTP Contact Plugin
5.4
CVE-2021-47870
GetSimple CMS My SMTP Contact Plugin 1.1.2 - Stored XSS