Read the docs
TI-2016-09251 Aliases CVE-2016-20075GHSA-9r69-x87g-5765

WordPress Ultimate Product Catalog 3.8.6 Arbitrary File Upload RCE

Priority HIGH 73CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-863.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00318 24th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Etoile Web DesignUltimate Product Catalog3.8.6—No fix listedCNA
  • Ultimate Product Catalog VendorEtoile Web Design Affected 3.8.6 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-20075
  2. 2026-10-03 Alias added: GHSA-9r69-x87g-5765

References

Exploit 1

Other 1

  • TI-2025-01743 Front-End-Only-Users <= 3.2.32 - Unauthenticated Arbitrary File Upload CVSS 3.1CRITICAL 9.8
  • TI-2024-12610 Front End Users <= 3.2.32 - Reflected XSS CVSS 3.1HIGH 7.1
  • TI-2021-22537 WordPress Plugin Ultimate Product Catalogue 5.8.2 Stored XSS via price CVSS 4.0MEDIUM 5.1
  • TI-2023-02539 Ultimate Product Catalog < 5.2.6 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8
  • TI-2020-18897 Ultimate Reviews < 2.1.33 - PHP Object Injection CVSS 3.1CRITICAL 9.8
  • TI-2017-08988 The Etoile Ultimate Product Catalog plugin 4.2.11 for WordPress has SQL injection with… CVSS 3.0CRITICAL 9.8
See all 31 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences