{"id":"CVE-2020-8288","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-8288","generatedAt":"2026-10-27T21:17:30.074Z","title":"The `specializedRendering` function in Rocket.Chat server before 3.9.2 allows a cross-site scripting (XSS) vulnerability by way of the `value` parameter.","description":"The `specializedRendering` function in Rocket.Chat server before 3.9.2 allows a cross-site scripting (XSS) vulnerability by way of the `value` parameter.","published":"2021-01-26T18:16:08.000Z","lastModified":"2026-06-17T03:26:14.000Z","status":"Modified","sourceIdentifier":"support@hackerone.com","cvss":{"version":"3.1","score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-79"],"affected":["rocket.chat/rocket.chat"],"epss":{"score":0.00859,"percentile":0.58202,"date":"2026-10-26","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 (0.86%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://docs.rocket.chat/guides/security/security-updates","tags":["Vendor Advisory"],"source":"support@hackerone.com"},{"url":"https://hackerone.com/reports/899954","tags":["Exploit","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://rocket.chat/xss-vulnerability-hotfix-available-for-all-affected-versions/","tags":["Patch","Vendor Advisory"],"source":"support@hackerone.com"},{"url":"https://docs.rocket.chat/guides/security/security-updates","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://hackerone.com/reports/899954","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://rocket.chat/xss-vulnerability-hotfix-available-for-all-affected-versions/","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-8288","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."}