Filr – Secure document library <= 1.2.13 - Authenticated (Contributor+) Arbitrary File Uploads

Unrestricted Upload of File with Dangerous Type
CVE CVE-2026-28133
CVSS High (8.8)
Publicly Published February 26, 2026
Last Updated March 5, 2026
Researcher Que Thanh Tuan
Description

The Filr – Secure document library plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in all versions up to, and including, 1.2.13. This makes it possible for authenticated attackers, with Contributor-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

References

1 affected software package

Software Type Plugin
Software Slug filr-protection (view on wordpress.org)
Patched? No
Affected Version
  • <= 1.2.13
Patched Version
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