Arbitrary file upload in Byrev Pixabay Images

CVE-2025-4413

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.

Vulnerability class: Unrestricted File Upload

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (48.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-4413: held from 0.006 to 0.006.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-4413?
CVE-2025-4413 is a high-severity vulnerability in Byrev Pixabay Images, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2025-06-18.
How severe is CVE-2025-4413?
High severity. CVSS v3 base score is 8.8 out of 10.