CVE-2025-4391
Published: 17 May 2025
Summary
CVE-2025-4391 is a critical-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in Codecanyon (inferred from references). Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 15.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
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. The flaw affects all versions through 5.4.8.1 and is tracked as CWE-434, carrying a CVSS 3.1 score of 9.8.
Unauthenticated attackers can exploit the issue over the network to upload arbitrary files to the server, which may enable remote code execution on the affected WordPress site.
The current EPSS score of 0.0209 shows no material increase from its recorded peak, indicating limited observed exploitation interest to date.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-15566
Vulnerability details
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…
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to upload arbitrary files on the affected site's server which may make remote code execution possible.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Requiring identifiable owners for portable devices reduces the attack surface for unrestricted uploads of dangerous file types via anonymous media.
Dangerous file uploads can be detonated in the chamber to determine malice before any production write or execution occurs.
Prevents unrestricted writing of arbitrary or malicious firmware by keeping hardware write-protect enabled except under tightly controlled manual procedures.
Scans files from external sources on download/open/execute, blocking unrestricted uploads of dangerous file types.