{"id":"CVE-2020-6583","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-6583","generatedAt":"2026-10-28T01:41:03.773Z","title":"BigProf Online Invoicing System (OIS) through 2.6 has XSS that can be leveraged for session hijacking.","description":"BigProf Online Invoicing System (OIS) through 2.6 has XSS that can be leveraged for session hijacking. An attacker can exploit the XSS vulnerability, retrieve the session cookie from the administrator login, and take over the administrator account via the Name field in an Add New Client action.","published":"2020-01-08T20:15:13.000Z","lastModified":"2026-06-17T03:23:39.000Z","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":["bigprof/online invoicing system"],"epss":{"score":0.00686,"percentile":0.52369,"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 (0.69%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.sevenlayers.com/index.php/282-online-invoicing-system-2-6-xss-session-hijack","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.sevenlayers.com/index.php/282-online-invoicing-system-2-6-xss-session-hijack","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-6583","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."}