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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.

PUBLISHED Reserved 2025-04-15 | Published 2025-11-06 | Updated 2025-11-06 | Assigner VulnCheck




MEDIUM: 6.2CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Product status

Default status
unaffected

Any version before 1.1.5
affected

Credits

Alex Williams from Pellera Technologies finder

References

icr.advantech.com/...11/sa-2025-01-vpn-portal-2025-11-06.pdf vendor-advisory patch

www.vulncheck.com/...ss-vpn-stored-xss-via-networkcontroller third-party-advisory

icr.advantech.com/download/software product

cve.org (CVE-2025-34236)

nvd.nist.gov (CVE-2025-34236)

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