CVE-2026-86707

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

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

Private Feed Key

CVSS v3.1 CNA

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.50% chance of exploitation in the next 30 days, 41st percentile

Published

2026-09-17

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/fbf22345-4e8c-4719-a9c3-5e606b6fd77f/

References

• CVE Record
• NVD entry