{"id":"CVE-2018-17876","aliases":["GHSA-77cq-wgpf-g449"],"url":"https://o3.security/vulnerability/CVE-2018-17876","summary":"Coaster CMS Stored Cross-site Scripting vulnerability","details":"A Stored XSS vulnerability has been discovered in the v5.5.0 version of the Coaster CMS product.","published":"2018-10-04T19:29:00.930Z","modified":"2026-08-27T08:14:11.689221Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":{"score":0.01323,"percentile":0.68287,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Packagist","name":"web-feet/coastercms","fixedVersion":null}],"fix":null,"references":[{"type":"EVIDENCE","url":"http://packetstormsecurity.com/files/149647/Coaster-CMS-5.5.0-Cross-Site-Scripting.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T08:14:11.689221Z"}}