{"id":"CVE-2025-34236","aliases":["EUVD-2025-38169","GHSA-j74r-jj49-g8gj"],"status":"published","title":"Advantech WebAccess/VPN \u003c 1.1.5 Stored XSS via NetworksController.addNetworkAction()","description":"Advantech WebAccess/VPN versions prior to 1.1.5 contain a stored cross-site scripting (XSS) vulnerability via NetworksController.addNetworkAction(). Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.","severity":{"version":"4.0","score":6.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00219,"percentile":0.12491,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-11-06T19:39:40Z","modified":"2026-10-07T21:10:00Z","products":[{"vendor":"advantech","product":"webaccess/vpn"},{"vendor":"advantech","product":"webaccess\\/vpn"}],"references":[{"url":"https://icr.advantech.com/support/router-models/download/511/sa-2025-01-vpn-portal-2025-11-06.pdf","tags":["vendor-advisory","patch","Release Notes"]},{"url":"https://www.vulncheck.com/advisories/advantech-webaccess-vpn-stored-xss-via-networkcontroller","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://icr.advantech.com/download/software","tags":["product","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-34236"},{"url":"https://github.com/advisories/GHSA-j74r-jj49-g8gj"}],"sources":{"cve":[{"id":"CVE-2025-34236","title":"Advantech WebAccess/VPN \u003c 1.1.5 Stored XSS via NetworksController.addNetworkAction()","description":"Advantech WebAccess/VPN versions prior to 1.1.5 contain a stored cross-site scripting (XSS) vulnerability via NetworksController.addNetworkAction(). Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.","status":"published","published":"2025-11-06T19:39:40.112Z","modified":"2025-11-17T19:38:09.659Z","cvss":[{"version":"4.0","score":6.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:54.1527Z"}],"euvd":[{"id":"EUVD-2025-38169","description":"Advantech WebAccess/VPN versions prior to 1.1.5 contain a stored cross-site scripting (XSS) vulnerability via NetworksController.addNetworkAction(). Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.","status":"published","published":"2025-11-06T19:39:40Z","modified":"2025-11-17T19:38:09Z","cvss":[{"version":"4.0","score":6.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:49:16.200687Z"}],"ghsa":[{"id":"GHSA-j74r-jj49-g8gj","title":"Advantech WebAccess/VPN versions prior to 1.1.5 contain a stored cross-site scripting (XSS)...","description":"Advantech WebAccess/VPN versions prior to 1.1.5 contain a stored cross-site scripting (XSS) vulnerability via NetworksController.addNetworkAction(). Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.","status":"published","published":"2025-11-06T21:31:30Z","modified":"2025-11-28T18:30:22Z","cvss":[{"version":"4.0","score":6.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/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"},{"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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:04:59.128724Z"}],"nvd":[{"id":"CVE-2025-34236","description":"Advantech WebAccess/VPN versions prior to 1.1.5 contain a stored cross-site scripting (XSS) vulnerability via NetworksController.addNetworkAction(). Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.","status":"published","published":"2025-11-06T20:15:47.18Z","modified":"2026-10-07T21:10:00.2Z","cvss":[{"version":"4.0","score":6.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/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":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":"2026-11-02T14:11:42.870953Z"}]}}