{"id":"CVE-2018-9986","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-9986","generatedAt":"2026-10-28T20:05:27.395Z","title":"In Zulip Server versions before 1.7.2, there were XSS issues with the frontend markdown processor.","description":"In Zulip Server versions before 1.7.2, there were XSS issues with the frontend markdown processor.","published":"2018-04-18T08:29:01.000Z","lastModified":"2026-06-17T02:07:27.000Z","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":["zulip/zulip server"],"epss":{"score":0.00813,"percentile":0.56802,"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 (0.81%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://blog.zulip.org/2018/04/12/zulip-1-7-2-released/","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://blog.zulip.org/2018/04/12/zulip-1-7-2-released/","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-9986","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."}