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

2026-02-26 00:00

Que Thanh Tuan

Strategic Overview

Status

Patched in 1.2.14

Affected PluginFilr – Secure document library

Affected Version<= 1.2.13

CVSS8.8High

CVECVE-2026-28133

View all Filr – Secure document library vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: Update to version 1.2.14, or a newer patched version --- IDENTIFIER: CWE-434 (Unrestricted Upload of File with Dangerous Type) The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

External References

https://www.cve.org/CVERecord?id=CVE-2026-28133 https://www.wordfence.com/threat-intel/vulnerabilities/id/403fde75-fd38-4761-88a1-7c54cbf64b22

CVSS Vector

8.8

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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