What is the CVSS score of CVE-2021-47830?

CVE-2021-47830 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N. EPSS exploitation probability: 0.1%.

Which versions of Getsimplecms are affected by CVE-2021-47830?

Organizations using GetSimple CMS My SMTP Contact Plugin 1.1.1 should be aware of notable risk from CVE-2021-47830, a cross-site request forgery vulnerability rated CVSS 6.5.

Is there a public PoC exploit available for CVE-2021-47830?

Yes, a public proof-of-concept exploit is available for CVE-2021-47830. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2021-47830?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify anti-CSRF tokens are enforced.

Getsimplecms CVE-2021-47830

MEDIUM

Cross-Site Request Forgery (CSRF) (CWE-352)

2026-01-21 disclosure@vulncheck.com

RCE CSRF Getsimplecms

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Mar 06, 2026 - 20:15 vuln.today

Public exploit code

CVE Published

Jan 21, 2026 - 18:16 nvd

MEDIUM 6.5

DescriptionCVE.org

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.

AnalysisAI

Technical ContextAI

Classified as CWE-352 (Cross-Site Request Forgery (CSRF)). Affects Getsimplecms. 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.

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

CVE-2021-47830 vulnerability details – vuln.today

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Getsimplecms CVE-2021-47830

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code