{"id":"CVE-2018-11564","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-11564","generatedAt":"2026-10-28T21:20:08.497Z","title":"Stored XSS in YOOtheme Pagekit 1.0.13 and earlier allows a user to upload malicious code via the picture upload feature.","description":"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":"2018-06-02T01:29:05.000Z","lastModified":"2026-06-17T01:36:11.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","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"},"cwe":["CWE-79"],"affected":["pagekit/pagekit"],"epss":{"score":0.03105,"percentile":0.87704,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2018-06-05","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":44837,"kind":"exploit","title":"Pagekit < 1.0.13 - Cross-Site Scripting Code Generator","url":"https://www.exploit-db.com/exploits/44837","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/44837.py","file":"exploits/php/webapps/44837.py","published":"2018-06-05","added":"2018-06-05","updated":"2018-06-05","author":"DEEPIN2","type":"webapps","platform":"php","port":null,"verified":false,"codes":["CVE-2018-11564"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"high","text":"A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 3.1%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"http://ruffsecurity.blogspot.com/2018/05/my-first-cve-found.html","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://packetstormsecurity.com/files/148001/PageKit-CMS-1.0.13-Cross-Site-Scripting.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/44837/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://ruffsecurity.blogspot.com/2018/05/my-first-cve-found.html","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://packetstormsecurity.com/files/148001/PageKit-CMS-1.0.13-Cross-Site-Scripting.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/44837/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-11564","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}