{"id":"CVE-2020-29240","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-29240","generatedAt":"2026-10-27T23:29:13.645Z","title":"Lepton-CMS 4.7.0 is affected by cross-site scripting (XSS).","description":"Lepton-CMS 4.7.0 is affected by cross-site scripting (XSS). An attacker can inject the XSS payload in the URL field of the admin page and each time an admin visits the Menu-Pages-Pages Overview section, the XSS will be triggered.","published":"2020-12-02T17:15:15.000Z","lastModified":"2026-06-17T03:11:09.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":4.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-79"],"affected":["lepton-cms/leptoncms"],"epss":{"score":0.01693,"percentile":0.76954,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2020-12-01","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":49137,"kind":"exploit","title":"LEPTON CMS 4.7.0 - 'URL' Persistent Cross-Site Scripting","url":"https://www.exploit-db.com/exploits/49137","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/49137.txt","file":"exploits/php/webapps/49137.txt","published":"2020-12-01","added":"2020-12-01","updated":"2020-12-03","author":"Sagar Banwa","type":"webapps","platform":"php","port":null,"verified":false,"codes":["CVE-2020-29240"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"high","text":"A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 1.7%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"https://lepton-cms.org/english/home.php","tags":["Product","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/49137","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://lepton-cms.org/english/home.php","tags":["Product","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/49137","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-29240","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."}