CVE-2021-47830 GetSimple CMS My SMTP Contact Plugin 1.1.1 - CSRF

Medium 5.1 Published Updated

An attacker can trick an authenticated administrator into changing SMTP settings via a malicious webpage, leading to unauthorized configuration changes.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-47830?

CVE-2021-47830 is a medium-severity vulnerability in GetSimple CMS My SMTP Contact Plugin, published on 21 Jan 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-352

Which versions are affected by CVE-2021-47830?

It affects 1 product.

Products include Get-Simple Getsimplecms.

How do I fix CVE-2021-47830?

No fix has been published for CVE-2021-47830 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-47830 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47830 exists.

Sources

Also known as GHSA-4qf5-7jr3-q9pq.

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