Advantech WebAccess/VPN < 1.1.5 Stored XSS via StandaloneVpnClientsController.addStandaloneVpnClientAction()_CVE-2025-34237

6.3 / 10

MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N

Description

Advantech WebAccess/VPN versions prior to 1.1.5 contain a stored cross-site scripting (XSS) vulnerability via StandaloneVpnClientsController.addStandaloneVpnClientAction(). 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.

Basic Information

ID CVE-2025-34237

Source VulnCheck

Published Nov 6, 2025 at 19:40

Modified Nov 6, 2025 at 20:24

Affected Product

Vendor Advantech

Product WebAccess/VPN

Affected Versions Advantech WebAccess/VPN 0

CWE Classification

CWE-79

References

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    "published": "2025-11-06T19:40:50.496Z",
    "modified": "2025-11-06T20:24:46.528Z",
    "type": "cve",
    "title": "Advantech WebAccess/VPN < 1.1.5 Stored XSS via StandaloneVpnClientsController.addStandaloneVpnClientAction()",
    "source": "VulnCheck",
    "references": "https://icr.advantech.com/support/router-models/download/511/sa-2025-01-vpn-portal-2025-11-06.pdf\nhttps://www.vulncheck.com/advisories/advantech-webaccess-vpn-stored-xss-via-standalonevpnclientscontroller\nhttps://icr.advantech.com/download/software",
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    "cvss": {
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