{"id":"CVE-2026-4239","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-4239","generatedAt":"2026-10-28T02:55:25.205Z","title":"A vulnerability was found in Lagom WHMCS Template up to 2.3.7.","description":"A vulnerability was found in Lagom WHMCS Template up to 2.3.7. Impacted is an unknown function of the component Datatables. The manipulation results in improperly controlled modification of object prototype attributes. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.","published":"2026-03-16T14:20:19.000Z","lastModified":"2026-06-17T10:56:17.000Z","status":"Deferred","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"4.0","score":2,"severity":"LOW","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-94","CWE-1321"],"affected":[],"epss":{"score":0.00214,"percentile":0.11614,"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 (0.21%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/devsamuelsantiago/lagom-prototype-pollution-poc/","source":"cna@vuldb.com"},{"url":"https://github.com/devsamuelsantiago/lagom-prototype-pollution-poc/blob/main/lagom-prototype-pollution-poc.js","source":"cna@vuldb.com"},{"url":"https://vuldb.com/?ctiid.351181","source":"cna@vuldb.com"},{"url":"https://vuldb.com/?id.351181","source":"cna@vuldb.com"},{"url":"https://vuldb.com/?submit.771350","source":"cna@vuldb.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-4239","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."}