{"id":"CVE-2018-14840","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-14840","generatedAt":"2026-10-28T22:11:40.949Z","title":"uploads/.htaccess in Subrion CMS 4.2.1 allows XSS because it does not block .html file uploads (but does block, for example, .htm file uploads).","description":"uploads/.htaccess in Subrion CMS 4.2.1 allows XSS because it does not block .html file uploads (but does block, for example, .htm file uploads).","published":"2018-08-02T01:29:03.000Z","lastModified":"2026-06-17T01:41:45.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","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"},"cwe":["CWE-79"],"affected":["intelliants/subrion"],"epss":{"score":0.03666,"percentile":0.89585,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2018-08-06","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":45150,"kind":"exploit","title":"Subrion CMS 4.2.1 - Cross-Site Scripting","url":"https://www.exploit-db.com/exploits/45150","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/45150.txt","file":"exploits/php/webapps/45150.txt","published":"2018-08-06","added":"2018-08-06","updated":"2018-08-08","author":"Zeel Chavda","type":"webapps","platform":"php","port":null,"verified":false,"codes":["CVE-2018-14840"],"tags":"Cross-Site Scripting (XSS)","aliases":null,"applicationUrl":"http://www.exploit-db.comsubrion_cms_4.2.1.zip","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 3.7%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"https://github.com/intelliants/subrion/commit/cb10ac2294cb2c3a6d2159f9a2bb8c58a2a10a47","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/intelliants/subrion/issues/773","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/45150/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://github.com/intelliants/subrion/commit/cb10ac2294cb2c3a6d2159f9a2bb8c58a2a10a47","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/intelliants/subrion/issues/773","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/45150/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-14840","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."}