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Vulnerabilities

Vulnerability · 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

Published May 17, 2025 · catalog updated Apr 8, 2026 · CodeRevolution Echo RSS Feed Post Generator

Check if you run it

No confirmed exploitation is on record for CVE-2025-4391. EPSS is 0.79%. Act only if a listed version of CodeRevolution Echo RSS Feed Post Generator is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.79%
Remediation
Vendor / distro source
Affected products
vendor CodeRevolution Echo RSS Feed Post Generator 0 ≤5.4.8.1

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor CodeRevolution Echo RSS Feed Post Generator 0 ≤5.4.8.10 ≤5.4.8.1

How to fix CVE-2025-4391

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-4391. EPSS is 0.79%. Act only if a listed version of CodeRevolution Echo RSS Feed Post Generator is installed.

Which versions are affected?

Compare what you have installed with CodeRevolution Echo RSS Feed Post Generator 0 ≤5.4.8.1 0 ≤5.4.8.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.79%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 17, 2025 · EUVD

    Detected

    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.

  2. Apr 8, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-4391

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-4391

    30-day exploitation probability 0.8%

    first.org
  • EUVDVulnerability recordEUVD-2025-15566

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.