CVE-2026-86707CWE-287

CVE-2026-86707

Critical · published September 17, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
41.8
In the wild
Unconfirmed
What it is

The Private Feed Key WordPress plugin through 0.1 does not verify that the key used to authenticate a feed request is one it issued, matching any stored user metadata value instead, which allows unauthenticated attackers to log in as any user, including administrators.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00498 · 41.8th percentile
Weakness
CWE-287 · Improper Authentication
Published
2026-09-17T10:16Z
References (1)
https://wpscan.com/vulnerability/fbf22345-4e8c-4719-a9c3-5e606b6fd77f/ · [email protected]
EPSS history
Timeline
  • 18 SEP 04:02Z
    EPSS moved — → 0%
    epss
  • 17 SEP 06:00Z
    Private Feed Key <= 0.1 - Unauthenticated Authentication Bypass via 'feedkey' Parameter
    cvelistv5