CVE-2026-85350CWE-287

CVE-2026-85350

Medium · published September 18, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
22.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00304 · 22.0th percentile
Weakness
CWE-287 · Improper Authentication
Published
2026-09-18T10:16Z
References (1)
EPSS history
Timeline
  • 19 SEP 03:54Z
    EPSS moved — → 0%
    epss
  • 18 SEP 06:00Z
    UpsellWP < 2.2.10 - Unauthenticated Price Manipulation via Frequently Bought Together
    cvelistv5