CVE-2023-0477

HIGH

Auto Featured Image (Auto Post Thumbnail) < 3.9.16 - Authenticated Arbitrary File Upload via AJAX Endpoint

Title source: llm

Description

The Auto Featured Image (Auto Post Thumbnail) WordPress plugin before 3.9.16 includes an AJAX endpoint that allows any user with at least Author privileges to upload arbitrary files, such as PHP files. This is caused by incorrect file extension validation.

References (1)

Core 1

Core References

Exploit, Third Party Advisory exploit vdb-entry technical-description

https://wpscan.com/vulnerability/e5ef74a2-e04a-4a14-bd0e-d6910cd1c4b4

Scores

CVSS v3 8.8

EPSS 0.0164

EPSS Percentile 73.5%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact total

Details

CWE

CWE-434

Status published

Products (1)

cm-wp/auto_featured_image < 3.9.16

Published Mar 13, 2023

Tracked Since Feb 18, 2026