Avatar <= 0.1.4 - Authenticated (Subscriber+) Insecure Direct Object Reference

2025-04-17 00:00

Nguyen Xuan Chien

Strategic Overview

Status

Unpatched

Affected PluginAvatar

Affected Version<= 0.1.4

CVSS4.3Medium

CVECVE-2025-39434

View all Avatar vulnerabilities

Vulnerability Overview

The Avatar plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 0.1.4 due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform an unauthorized action.

Technical Analysis

REMEDIATION: No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement. --- IDENTIFIER: CWE-639 (Authorization Bypass Through User-Controlled Key) The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

External References

https://www.cve.org/CVERecord?id=CVE-2025-39434 https://www.wordfence.com/threat-intel/vulnerabilities/id/7e23b7a5-8ee6-4818-a52e-4fa66bee02e2

CVSS Vector

4.3

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityLow
AvailabilityNone

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