CVE-2025-39434

WordPress Avatar plugin <= 0.1.4 - Insecure Direct Object References (IDOR) vulnerability

4.3 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: None

Exploit likelihood

0.34%Up 0.3 points since Apr 18, 2025

What each source reports

CVE List Score used 4.3

WordPress Avatar plugin <= 0.1.4 - Insecure Direct Object References (IDOR) vulnerability

Record: CVE-2025-39434
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-639
Updated: 2026-11-02

EUVDEUVD-2025-11777 4.3

Record: EUVD-2025-11777
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-23pm-fv72-xcr5 4.3

Authorization Bypass Through User-Controlled Key vulnerability in Scott Taylor Avatar allows...

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

Record: GHSA-23pm-fv72-xcr5
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-639
Updated: 2026-11-02

NVD 4.3

Record: CVE-2025-39434
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-639
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-39434 is a medium vulnerability (CVSS 4.3) in Scott Taylor Avatar, published April 17, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 27th percentile. No source names a fixed version.