CVE-2025-4413
Published: 18 June 2025
Summary
CVE-2025-4413 is a high-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in Wordpress (inferred from references). Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 19.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
The Pixabay Images plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the pixabay_upload function in all versions up to and including 3.4. This flaw, tracked as CVE-2025-4413 with a CVSS score of 8.8 and categorized under CWE-434, allows unauthenticated file handling on the server side within the affected plugin component.
Authenticated attackers with Author-level access and above can exploit the issue over the network to upload arbitrary files to the site, which may lead to remote code execution depending on server configuration and file handling.
The provided references point to the vulnerable code in the plugin's WordPress Trac repository and a Wordfence threat intelligence entry, though no specific mitigation details or patch information are included in the available data. The EPSS score remains flat at 0.0135 with no observed rise after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-18639
Vulnerability details
The Pixabay Images plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the pixabay_upload function in all versions up to, and including, 3.4. This makes it possible for authenticated attackers, with Author-level access…
more
and above, 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.