CVE-2016-20075 HIGH

CVE-2016-20075: WordPress Ultimate Product Catalog 3.8.6 Arbitrary File Upload RCE

Vendor Etoilewebdesign
Product Ultimate Product Catalog
Weakness CWE-863 · Incorrect authorization
Published June 15, 2026
Last update June 15, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

Description

WordPress Ultimate Product Catalog 3.8.6 contains an arbitrary file upload vulnerability that allows authenticated users with contributor, editor, author, or administrator roles to upload malicious files by exploiting the custom fields functionality. Attackers can upload PHP shells through the Products tab custom file field and access them via the upcp-product-file-uploads directory to execute arbitrary code on the server.

Key dates

Disclosure timeline

June 15, 2026 CVE published
June 15, 2026 Record updated