What is CVE-2025-4391?

CVE-2025-4391 is a critical-severity vulnerability in Coderevolution Echo Rss Feed Post Generator, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2025-05-17.

How severe is CVE-2025-4391?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in Coderevolution Echo Rss Feed Post Generator

CVE-2025-4391

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.

Vulnerability class: Unrestricted File Upload

EPSS: 0.006 (46.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Coderevolution Echo Rss Feed Post Generator — versions 0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

Frequently asked questions

What is CVE-2025-4391?: CVE-2025-4391 is a critical-severity vulnerability in Coderevolution Echo Rss Feed Post Generator, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2025-05-17.
How severe is CVE-2025-4391?: Critical severity. CVSS v3 base score is 9.8 out of 10.