{"id":"CVE-2022-39197","url":"https://www.cyber-defence.io/tools/cve/CVE-2022-39197","generatedAt":"2026-10-31T12:57:13.016Z","title":"Fortra Cobalt Strike Teamserver Cross-Site Scripting (XSS) Vulnerability","description":"An XSS (Cross Site Scripting) vulnerability was found in HelpSystems Cobalt Strike through 4.7 that allowed a remote attacker to execute HTML on the Cobalt Strike teamserver. To exploit the vulnerability, one must first inspect a Cobalt Strike payload, and then modify the username field in the payload (or create a new payload with the extracted information and then modify that username field to be malformed).","published":"2022-09-22T01:15:12.000Z","lastModified":"2026-06-17T04:57:54.000Z","status":"Analyzed","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":["helpsystems/cobalt strike"],"epss":{"score":0.44145,"percentile":0.98753,"date":"2026-10-30","history":[{"date":"2026-10-29","score":0.47914,"percentile":0.98851},{"date":"2026-10-30","score":0.44145,"percentile":0.98753}]},"kev":{"listed":true,"dateAdded":"2023-03-30","dueDate":"2023-04-20","knownRansomwareCampaignUse":"Unknown","notes":"Apply updates per vendor instructions.\nhttps://www.cobaltstrike.com/blog/out-of-band-update-cobalt-strike-4-7-1/;  https://nvd.nist.gov/vuln/detail/CVE-2022-39197"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 20 April 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://www.cobaltstrike.com/blog/out-of-band-update-cobalt-strike-4-7-1/","tags":["Mitigation","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.cobaltstrike.com/blog/tag/release/","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.cobaltstrike.com/blog/out-of-band-update-cobalt-strike-4-7-1/","tags":["Mitigation","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cobaltstrike.com/blog/tag/release/","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-39197","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-39197","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."}