{"id":"CVE-2021-24563","aliases":["EUVD-2021-11475","GHSA-287r-36rw-cfgc"],"status":"published","title":"Frontend Uploader \u003c= 1.3.2 - Unauthenticated Stored Cross-Site Scripting","description":"The Frontend Uploader WordPress plugin through 1.3.2 does not prevent HTML files from being uploaded via its form, allowing unauthenticated user to upload a malicious HTML file containing JavaScript for example, which will be triggered when someone access the file directly","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.26272,"percentile":0.98015,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-79"],"published":"2021-10-11T10:45:30Z","modified":"2026-06-17T03:40:14Z","exploits":[{"source":"exploitdb","id":"EDB-50655","title":"WordPress Plugin Frontend Uploader 1.3.2 - Stored Cross Site Scripting (XSS) (Unauthenticated)","type":"webapps","platform":"php","date":"2022-01-12","url":"https://www.exploit-db.com/exploits/50655"},{"source":"pocgithub","id":"V35HR4J/CVE-2021-24563","title":"V35HR4J/CVE-2021-24563","date":"2021-10-05","url":"https://github.com/V35HR4J/CVE-2021-24563"}],"products":[{"vendor":"frontend_uploader_project","product":"frontend_uploader"},{"vendor":"unknown","product":"frontend uploader"}],"references":[{"url":"https://wpscan.com/vulnerability/e53ef41e-a176-4d00-916a-3a03835370f1","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/165515/WordPress-Frontend-Uploader-1.3.2-Cross-Site-Scripting.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24563"},{"url":"https://github.com/advisories/GHSA-287r-36rw-cfgc"}],"sources":{"cve":[{"id":"CVE-2021-24563","title":"Frontend Uploader \u003c= 1.3.2 - Unauthenticated Stored Cross-Site Scripting","description":"The Frontend Uploader WordPress plugin through 1.3.2 does not prevent HTML files from being uploaded via its form, allowing unauthenticated user to upload a malicious HTML file containing JavaScript for example, which will be triggered when someone access the file directly","status":"published","published":"2021-10-11T10:45:30Z","modified":"2024-08-03T19:35:20.198Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:04.679189Z"}],"euvd":[{"id":"EUVD-2021-11475","description":"The Frontend Uploader WordPress plugin through 1.3.2 does not prevent HTML files from being uploaded via its form, allowing unauthenticated user to upload a malicious HTML file containing JavaScript for example, which will be triggered when someone access the file directly","status":"published","published":"2021-10-11T10:45:30Z","modified":"2024-08-03T19:35:20Z","updated_at":"2026-11-03T03:24:56.857735Z"}],"ghsa":[{"id":"GHSA-287r-36rw-cfgc","title":"The Frontend Uploader WordPress plugin through 1.3.2 does not prevent HTML files from being...","description":"The Frontend Uploader WordPress plugin through 1.3.2 does not prevent HTML files from being uploaded via its form, allowing unauthenticated user to upload a malicious HTML file containing JavaScript for example, which will be triggered when someone access the file directly","status":"published","published":"2022-05-24T19:17:13Z","modified":"2023-01-30T05:02:45Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:42.642348Z"}],"nvd":[{"id":"CVE-2021-24563","description":"The Frontend Uploader WordPress plugin through 1.3.2 does not prevent HTML files from being uploaded via its form, allowing unauthenticated user to upload a malicious HTML file containing JavaScript for example, which will be triggered when someone access the file directly","status":"published","published":"2021-10-11T11:15:08.747Z","modified":"2026-06-17T03:40:14.643Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:59.689345Z"}]}}