CVE-2016-20075 WordPress Ultimate Product Catalog 3.8.6 Arbitrary File Upload RCE
Authenticated users can upload malicious PHP files via custom fields to execute arbitrary code on the server.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2016-20075?
CVE-2016-20075 is a high-severity vulnerability in Etoilewebdesign Ultimate Product Catalog, published on 15 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-863
Which versions are affected by CVE-2016-20075?
How do I fix CVE-2016-20075?
No fix has been published for CVE-2016-20075 yet. Limit exposure of the affected software until one is available.
Is CVE-2016-20075 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-20075 exists.
Sources
Also known as GHSA-9r69-x87g-5765.