{"id":"CVE-2020-13486","aliases":["GHSA-m69r-4h68-xq7j"],"url":"https://o3.security/vulnerability/CVE-2020-13486","summary":"Knock Knock plugin Open redirection vulnerability","details":"The Knock Knock plugin before 1.2.8 for Craft CMS allows malicious redirection.","published":"2020-05-25T23:15:09.720Z","modified":"2026-07-08T22:14:25.298013Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":{"score":0.0068,"percentile":0.49372,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"verbb/knock-knock","fixedVersion":"1.2.8"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/verbb/knock-knock/blob/craft-3/CHANGELOG.md"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T22:14:25.298013Z"}}