Vulnerability · Published Sep 17, 2026 · Assigned by WPScan

CVE-2026-86707Private Feed Key <= 0.1 - Unauthenticated Authentication Bypass via 'feedkey' Parameter

Critical 9.8

In plain English

A critical-severity improper authentication in Private Feed Key from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.5%top 57.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Unknown Private Feed Key 0 – through 0.1

Weakness: CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References