WordPress security changelog
HIGH CVE-2023-0477 Modified

Auto Featured Image (Auto Post Thumbnail): A security weakness

Auto Featured Image (Auto Post Thumbnail) is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.

CVE / CNA score 8.8 CVSS · contact@wpscan.com
NVD score 8.8 CVSS 3.1 · nvd@nist.gov
Component
Auto Featured Image (Auto Post Thumbnail)
Plugin slug
auto-featured-image
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Mar 13, 2023
Weakness
CWE-434 — Unrestricted Upload of File with Dangerous Type

This CVE was published Mar 13, 2023 and is one of 3 known issues for this plugin.

Update, patch or deactivate.

Update Auto Featured Image (Auto Post Thumbnail) to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical 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.

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

Primary and upstream sources