CVE-2026-85350
Medium
Description
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductUpsellWP
PublishedSep 18, 2026
First seenSep 18, 2026
Weakness typeCWE-287Improper authentication
How to fix
Update
- UpsellWP2.2.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| UpsellWP | 1.4.4 ≤ v < 2.2.10 | 2.2.10 |
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