CVE-2021-42362 HIGH

CVE-2021-42362: WordPress Popular Posts <= 5.3.2 Authenticated Arbitrary File Upload

Vendor Wordpress Popular Posts
Product WordPress Popular Posts
Weakness CWE-434 · Unrestricted file upload
Published November 17, 2021
Last update September 16, 2024

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

The WordPress Popular Posts WordPress plugin is vulnerable to arbitrary file uploads due to insufficient input file type validation found in the ~/src/Image.php file which makes it possible for attackers with contributor level access and above to upload malicious files that can be used to obtain remote code execution, in versions up to and including 5.3.2.

Key dates

02Disclosure timeline

November 17, 2021 CVE published
September 16, 2024 Record updated