{"id":"CVE-2018-1000855","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-1000855","generatedAt":"2026-10-28T21:30:57.607Z","title":"easymon version 1.4 and earlier contains a Cross Site Scripting (XSS) vulnerability in Endpoint where monitoring is mounted that can result in Reflected XSS that affects Firefox.","description":"easymon version 1.4 and earlier contains a Cross Site Scripting (XSS) vulnerability in Endpoint where monitoring is mounted that can result in Reflected XSS that affects Firefox. Can be used to steal cookies, depending on the cookie settings.. This attack appear to be exploitable via The victim must click on a crafted URL that contains the XSS payload. This vulnerability appears to have been fixed in 1.4.1 and later.","published":"2018-12-20T17:29:00.000Z","lastModified":"2026-06-17T01:33:11.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-79"],"affected":["basecamp/easymon"],"epss":{"score":0.00896,"percentile":0.59371,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.90%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/basecamp/easymon/issues/26","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/basecamp/easymon/pull/25","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/basecamp/easymon/issues/26","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/basecamp/easymon/pull/25","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-1000855","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."}