CVE-2025-4279 Information

Description

The External image replace plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the ’external_image_replace_get_posts::replace_post’ function in all versions up to and including 1.0.8. This makes it possible for authenticated attackers with contributor-level and above permissions to upload arbitrary files on the affected site’s server which may make remote code execution possible.

CVSS Vector

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

Reference

https://plugins.trac.wordpress.org/browser/external-image-replace/tags/1.0.8/class.php#L87 https://www.wordfence.com/threat-intel/vulnerabilities/id/ee1624fd-d98b-4953-99dc-a952dda48aa1?source=cve

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8