CVE-2025-4391 Echo RSS Feed Post Generator <= 5.4.8.1 - Unauthenticated Arbitrary File Upload

Critical 9.8 Published Updated

Unauthenticated attackers can upload arbitrary files via missing validation, potentially leading to remote code execution on WordPress sites.

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-2025-4391?

CVE-2025-4391 is a critical vulnerability in CodeRevolution Echo RSS Feed Post Generator, published on 17 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Echo RSS Feed Post Generator plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the echo_generate_featured_image() function in all versions up to, and including, 5.4.8.1. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

Weakness: CWE-434

Which versions are affected by CVE-2025-4391?

How do I fix CVE-2025-4391?

No fix has been published for CVE-2025-4391 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-4391 being exploited?

There is no known exploitation of CVE-2025-4391 in the wild and no public exploit code.

Sources

Also known as GHSA-8hqp-jvp3-493j.

Is CVE-2025-4391 in your software?

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