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OpenAdvisories
Medium · 6.3 CVE-2025-34237 EUVD-2025-38172GHSA-c27p-92mm-fc82

Advantech WebAccess/VPN < 1.1.5 Stored XSS via StandaloneVpnClientsController.addStandaloneVpnClientAction()

Published Nov 6, 2025 · Updated Nov 17, 2025 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
Advantech WebAccess/VPN < 1.1.5 1.1.5

References