CVE-2025-13794 MEDIUM

CVE-2025-13794: Auto Featured Image <= 4.2.1 - Missing Authorization to Authenticated (Contributor+) Post Thumbnail Modification

Vendor Themeisle
Product Auto Featured Image (Auto Post Thumbnail)
Weakness CWE-862 · Missing authorization
Published December 16, 2025
Last update April 8, 2026
View on NVD All CVEs

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

The Auto Featured Image (Auto Post Thumbnail) plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the bulk_action_generate_handler function in all versions up to, and including, 4.2.1. This makes it possible for authenticated attackers, with Contributor-level access and above, to delete or generate featured images on posts they do not own.

Explanation of Vulnerability in Simple Terms

02Summary

The Auto Featured Image plugin for WordPress does not properly check user permissions before allowing modifications to featured images. A logged-in user with low privileges can change featured images on posts they do not own, potentially altering site content without authorization. This affects all versions up to 4.2.1.

What an attacker can do

03Attacker Capabilities

Modify featured images on posts the attacker does not own or have permission to edit.

Potential impact on your site

04Site Impact

Unauthorized users can alter post thumbnails, potentially defacing content or disrupting site appearance without admin knowledge.

Conditions required to exploit

05Prerequisites

Attacker must have a WordPress user account with at least low-level privileges (e.g., Contributor or Author role).

Key dates

06Disclosure timeline

December 16, 2025 CVE published
April 8, 2026 Record updated