CVE-2020-13485

PoC —

CVSS 3.1

9.1 critical

EPSS

1%p70

Published

May 25, 2020 (May 25, 2020)

Modified

Jun 17, 2026

Description

The Knock Knock plugin before 1.2.8 for Craft CMS allows IP Whitelist bypass via an X-Forwarded-For HTTP header.

Vendors: verbb
Products: knock knock
Weakness: CWE-697
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (1.4%)

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