{"id":"CVE-2021-3355","details":"A stored-self XSS exists in LightCMS v1.3.4, allowing an attacker to execute HTML or JavaScript code in a vulnerable Title field to /admin/SensitiveWords.","modified":"2026-04-10T04:34:01.924179Z","published":"2021-02-24T15:15:13.933Z","references":[{"type":"REPORT","url":"https://github.com/eddy8/LightCMS/issues/18"},{"type":"EVIDENCE","url":"https://gist.github.com/Peithon/1c628ded0c4fc96c6331c3cce1d0c69b"},{"type":"EVIDENCE","url":"https://www.exploit-db.com/exploits/49598"},{"type":"EVIDENCE","url":"http://packetstormsecurity.com/files/161562/LightCMS-1.3.4-Cross-Site-Scripting.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/eddy8/lightcms","events":[{"introduced":"0"},{"last_affected":"ff92c23144082108389aff20e3ce3c2ca30065d8"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"1.3.4"}]}}],"versions":["v1.0.0","v1.0.1","v1.1","v1.1.1","v1.1.2","v1.3","v1.3.1","v1.3.2","v1.3.3","v1.3.4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3355.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"}]}