CVE-2021-47965 WordPress Plugin WP Super Edit 2.5.4 Unrestricted File Upload

Critical 9.3 Published Updated

Attackers can upload arbitrary files via the FCKeditor component to achieve remote code execution and system compromise.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-47965?

CVE-2021-47965 is a critical vulnerability in wp-super-edit WP Super Edit, published on 15 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

WordPress Plugin WP Super Edit 2.5.4 and earlier contains an unrestricted file upload vulnerability in the FCKeditor component that allows attackers to upload dangerous file types without validation. Attackers can upload arbitrary files through the filemanager upload endpoint to achieve remote code execution and complete system compromise.

Weakness: CWE-434

Which versions are affected by CVE-2021-47965?

How do I fix CVE-2021-47965?

No fix has been published for CVE-2021-47965 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-47965 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47965 exists.

Sources

Also known as GHSA-7wfw-gfch-rf74.

Is CVE-2021-47965 in your software?

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