{"id":"CVE-2020-3997","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-3997","generatedAt":"2026-10-27T22:32:39.922Z","title":"VMware Horizon Server (7.x prior to 7.10.3 or 7.13.0) contains a Cross Site Scripting (XSS) vulnerability.","description":"VMware Horizon Server (7.x prior to 7.10.3 or 7.13.0) contains a Cross Site Scripting (XSS) vulnerability. Successful exploitation of this issue may allow an attacker to inject malicious script which will be executed.","published":"2020-10-23T14:15:13.000Z","lastModified":"2026-06-17T03:19:24.000Z","status":"Modified","sourceIdentifier":"security@vmware.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":["vmware/horizon"],"epss":{"score":0.0067,"percentile":0.51691,"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 (0.67%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.vmware.com/security/advisories/VMSA-2020-0024.html","tags":["Patch","Vendor Advisory"],"source":"security@vmware.com"},{"url":"https://www.vmware.com/security/advisories/VMSA-2020-0024.html","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-3997","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."}