{"id":"CVE-2018-11564","aliases":["GHSA-3rwj-v7jp-w542"],"url":"https://o3.security/vulnerability/CVE-2018-11564","summary":"Pagekit Stored Cross-site Scripting","details":"Stored XSS in YOOtheme Pagekit 1.0.13 and earlier allows a user to upload malicious code via the picture upload feature. A user with elevated privileges could upload a photo to the system in an SVG format. This file will be uploaded to the system and it will not be stripped or filtered. The user can create a link on the website pointing to \"/storage/poc.svg\" that will point to http://localhost/pagekit/storage/poc.svg. When a user comes along to click that link, it will trigger a XSS attack.","published":"2018-06-02T01:29:05.453Z","modified":"2026-07-08T14:14:00.873271Z","cvss":{"score":4.8,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":4,"affectedPackages":[{"ecosystem":"Packagist","name":"pagekit/pagekit","fixedVersion":null}],"fix":null,"references":[{"type":"EVIDENCE","url":"http://ruffsecurity.blogspot.com/2018/05/my-first-cve-found.html"},{"type":"EVIDENCE","url":"https://packetstormsecurity.com/files/148001/PageKit-CMS-1.0.13-Cross-Site-Scripting.html"},{"type":"EVIDENCE","url":"https://www.exploit-db.com/exploits/44837/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-11564"},{"type":"PACKAGE","url":"https://github.com/pagekit/pagekit"},{"type":"WEB","url":"https://www.exploit-db.com/exploits/44837"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T14:14:00.873271Z"}}