VULNERABILITY INTELLIGENCE
CVE-2025-34237
CVSS score5.4 MEDIUM
EPSS probability0.22%
CISA KEVNot currently listed
Published2025-11-06
Last modified2026-10-07
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A: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.
Weakness classification
- disclosure@vulncheck.com: CWE-79
Primary references
- disclosure@vulncheck.com — Product
- disclosure@vulncheck.com — Release Notes
- disclosure@vulncheck.com — Third Party Advisory