What is CVE-2026-85350?

CVE-2026-85350 is a medium-severity vulnerability in Upsellwp, classified under Improper Authentication. CVSS score: 5.3/10. Published 2026-09-18.

How severe is CVE-2026-85350?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Upsellwp

CVE-2026-85350

The UpsellWP WordPress plugin before 2.2.10 does not check that products added to the cart through a Frequently Bought Together campaign belong to that campaign, allowing unauthenticated users to buy arbitrary products at the campaign's discounted price.

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Unknown Upsellwp

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-85350?: CVE-2026-85350 is a medium-severity vulnerability in Upsellwp, classified under Improper Authentication. CVSS score: 5.3/10. Published 2026-09-18.
How severe is CVE-2026-85350?: Medium severity. CVSS v3 base score is 5.3 out of 10.