CVE-2025-39434 MEDIUM

CVE-2025-39434: WordPress Avatar plugin <= 0.1.4 - Insecure Direct Object References (IDOR) vulnerability

Vendor Scott Taylor
Product Avatar
Weakness CWE-639 · IDOR
Published April 17, 2025
Last update April 28, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Authorization Bypass Through User-Controlled Key vulnerability in Scott Taylor Avatar avatar allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Avatar: from n/a through <= 0.1.4.

Explanation of Vulnerability in Simple Terms

02Summary

Avatar version 0.1.4 and earlier contains an authorization flaw that allows authenticated users to modify data they should not have access to. The vulnerability requires a valid user account and network access but no additional user interaction. Site administrators should update to a version newer than 0.1.4 to prevent unauthorized data modification.

What an attacker can do

03Attacker Capabilities

Modify data or settings they should not have permission to change.

Potential impact on your site

04Site Impact

Authenticated users can alter site data or configuration outside their intended permissions.

Conditions required to exploit

05Prerequisites

Attacker must have a valid user account on the site.

Key dates

06Disclosure timeline

April 17, 2025 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE