Vulnerability Details CVE-2025-34237
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 15.2%
CVSS Severity
CVSS v3 Score 5.4
References
Products affected by CVE-2025-34237
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cpe:2.3:a:advantech:webaccess/vpn:1.0.1
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cpe:2.3:a:advantech:webaccess/vpn:1.1.0
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cpe:2.3:a:advantech:webaccess/vpn:1.1.1
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cpe:2.3:a:advantech:webaccess/vpn:1.1.2
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cpe:2.3:a:advantech:webaccess/vpn:1.1.3
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cpe:2.3:a:advantech:webaccess/vpn:1.1.4