CVE-2025-26977 LOW

CVE-2025-26977: WordPress FileBird plugin <= 6.4.2.1 - Insecure Direct Object References (IDOR) vulnerability

Vendor Ninja Team
Product Filebird
Weakness CWE-639 · IDOR
Published February 25, 2025
Last update April 28, 2026

CVSS base score

3.8/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Authorization Bypass Through User-Controlled Key vulnerability in Ninja Team Filebird filebird allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Filebird: from n/a through <= 6.4.2.1.

Explanation of Vulnerability in Simple Terms

02Summary

Filebird versions up to 6.4.2.1 contain an authorization flaw that allows high-privilege users to read and modify sensitive data. The vulnerability requires administrator-level access and does not affect availability. Update to version 6.5.5 or later to remediate.

What an attacker can do

03Attacker Capabilities

Read and modify sensitive data within the Filebird component.

Potential impact on your site

04Site Impact

Administrators with compromised credentials could leak or alter file metadata and permissions.

Conditions required to exploit

05Prerequisites

Attacker must have high-level administrative privileges on the site.

Key dates

06Disclosure timeline

February 25, 2025 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE