CVE-2016-20075

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.

CVSS v4.0

8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

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

EPSS

0.32% chance of exploitation in the next 30 days, 24th percentile

Published

2026-06-15

Updated

2026-07-15

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/40012

References

• CVE Record
• NVD entry

Related

• CVE-2016-20074
• CVE-2016-20076
• CVE-2016-20073
• CVE-2016-20077
• CVE-2016-20072
• CVE-2016-20078