{"id":"CVE-2021-32091","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-32091","generatedAt":"2026-10-27T20:20:19.542Z","title":"A Cross-site scripting (XSS) vulnerability exists in StackLift LocalStack 0.12.6.","description":"A Cross-site scripting (XSS) vulnerability exists in StackLift LocalStack 0.12.6.","published":"2021-05-07T05:15:08.000Z","lastModified":"2026-06-17T03:52:46.000Z","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":["localstack/localstack"],"epss":{"score":0.00846,"percentile":0.57782,"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 (0.85%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://blog.sonarsource.com/hack-the-stack-with-localstack","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://portswigger.net/daily-swig/localstack-zero-day-vulnerabilities-chained-to-achieve-remote-takeover-of-local-instances","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://blog.sonarsource.com/hack-the-stack-with-localstack","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portswigger.net/daily-swig/localstack-zero-day-vulnerabilities-chained-to-achieve-remote-takeover-of-local-instances","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-32091","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."}