PT-2023-12494 · WordPress · Wordpress

Jerome Bruandet · Published 2023-06-07 · Updated 2023-06-14 · CVE-2021-4382

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Recently plugin for WordPress versions up to, and including, 3.0.4

Description The issue arises from missing file type validation in the fetch external image() function, allowing authenticated attackers to upload arbitrary files on the server, which may lead to remote code execution.

Recommendations For versions up to, and including, 3.0.4, update to a version that includes a fix for the missing file type validation in the fetch external image() function to prevent arbitrary file uploads.

Fix

RCE

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2021-4382

Affected Products

Wordpress

References · 6

• https://osv.dev/vulnerability/CVE-2021-4382 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-4382 · Security Note
• https://plugins.trac.wordpress.org/changeset/2542693 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/f8297149-2de3-4e49-80f9-6ea59dea6bce?source=cve · Note
• https://wpscan.com/vulnerability/92c3f26a-1a84-459a-874b-07dc83c9f42a · Note
• https://acunetix.com/vulnerabilities/web/wordpress-plugin-recently-multiple-vulnerabilities-3-0-4 · Note