{"id":"CVE-2026-34812","aliases":["EUVD-2026-18306","GHSA-3frm-ppcq-w9fx"],"status":"published","title":"Endian Firewall /cgi-bin/proxypolicy.cgi mimetypes Stored Cross-Site Scripting","description":"Endian Firewall version 3.3.25 and prior allow stored cross-site scripting (XSS) via the mimetypes parameter to /cgi-bin/proxypolicy.cgi. An authenticated attacker can inject arbitrary JavaScript that is stored and executed when other users view the affected page.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00143,"percentile":0.03668,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-04-02T14:46:05Z","modified":"2026-07-24T21:10:00Z","products":[{"vendor":"endian","product":"endian firewall"},{"vendor":"endian","product":"firewall_community"}],"references":[{"url":"https://help.endian.com/hc/en-us/sections/360004371358-Community","tags":["release-notes","Release Notes"]},{"url":"https://www.vulncheck.com/advisories/endian-firewall-cgi-bin-proxypolicy-cgi-mimetypes-stored-cross-site-scripting","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34812"},{"url":"https://github.com/advisories/GHSA-3frm-ppcq-w9fx"}],"sources":{"cve":[{"id":"CVE-2026-34812","title":"Endian Firewall /cgi-bin/proxypolicy.cgi mimetypes Stored Cross-Site Scripting","description":"Endian Firewall version 3.3.25 and prior allow stored cross-site scripting (XSS) via the mimetypes parameter to /cgi-bin/proxypolicy.cgi. An authenticated attacker can inject arbitrary JavaScript that is stored and executed when other users view the affected page.","status":"published","published":"2026-04-02T14:46:05.735Z","modified":"2026-04-02T18:39:39.633Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:20:13.962274Z"}],"euvd":[{"id":"EUVD-2026-18306","description":"Endian Firewall version 3.3.25 and prior allow stored cross-site scripting (XSS) via the mimetypes parameter to /cgi-bin/proxypolicy.cgi. An authenticated attacker can inject arbitrary JavaScript that is stored and executed when other users view the affected page.","status":"published","published":"2026-04-02T14:46:05Z","modified":"2026-04-02T18:39:39Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:25:17.32175Z"}],"ghsa":[{"id":"GHSA-3frm-ppcq-w9fx","title":"Endian Firewall version 3.3.25 and prior allow stored cross-site scripting (XSS) via the...","description":"Endian Firewall version 3.3.25 and prior allow stored cross-site scripting (XSS) via the mimetypes parameter to /cgi-bin/proxypolicy.cgi. An authenticated attacker can inject arbitrary JavaScript that is stored and executed when other users view the affected page.","status":"published","published":"2026-04-02T15:31:42Z","modified":"2026-04-02T15:31:54Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"},{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:07:05.449461Z"}],"nvd":[{"id":"CVE-2026-34812","description":"Endian Firewall version 3.3.25 and prior allow stored cross-site scripting (XSS) via the mimetypes parameter to /cgi-bin/proxypolicy.cgi. An authenticated attacker can inject arbitrary JavaScript that is stored and executed when other users view the affected page.","status":"published","published":"2026-04-02T15:16:49.117Z","modified":"2026-07-24T21:10:00.143Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:12.73929Z"}]}}