CVE-2025-4413: Pixabay Images <= 3.4 - Authenticated (Author+) Arbitrary File Upload

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-06-18 · updated 2026-06-17
Weakness: CWE-434

Description

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 and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

Affected products

byrev Pixabay Images: through 3.4

References

https://plugins.trac.wordpress.org/browser/pixabay-images/trunk/pixabay-images.php#L177
https://www.wordfence.com/threat-intel/vulnerabilities/id/44e71dea-d736-49c2-a630-f42905ac6b4d?source=cve

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