{"id":"CVE-2020-13992","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-13992","generatedAt":"2026-10-27T22:24:10.184Z","title":"A Stored XSS issue allows remote unauthenticated attackers to abuse a helpdesk user's logged in session.","description":"An issue was discovered in Mods for HESK 3.1.0 through 2019.1.0. A Stored XSS issue allows remote unauthenticated attackers to abuse a helpdesk user's logged in session. A user with sufficient privileges to change their login-page image must open a crafted ticket.","published":"2020-07-09T15:15:12.000Z","lastModified":"2026-06-17T02:54:04.000Z","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":["mods-for-hesk/mods for hesk"],"epss":{"score":0.01205,"percentile":0.68077,"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 (1.21%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://loca1gh0s7.github.io/MFH-from-XSS-to-RCE-loca1gh0st-exercise","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://loca1gh0s7.github.io/MFH-from-XSS-to-RCE-loca1gh0st-exercise","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-13992","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."}