Arbitrary File Upload Vulnerability in Echo RSS Feed Post Generator Plugin for WordPress
CVE-2025-4391

9.8CRITICAL

Key Information:

Vendor

WordPress

Vendor
CVE Published:
17 May 2025

What is CVE-2025-4391?

The Echo RSS Feed Post Generator plugin for WordPress contains a critical vulnerability allowing unauthenticated attackers to upload arbitrary files to the server. This issue arises from inadequate file type validation within the echo_generate_featured_image() function. As a result, attackers can exploit this flaw to potentially execute remote code on affected websites. Deploying this plugin without adequate security measures exposes WordPress users to significant risks.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Affected Version(s)

Echo RSS Feed Post Generator * <= 5.4.8.1

References

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Friderika Baranyai
.