CVE-2025-34236: Advantech WebAccess/VPN < 1.1.5 Stored XSS via NetworksController.addNetworkAction()
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Advantech WebAccess/VPNto a version that resolves this vulnerability.Fixed in 1.1.5
Event History
Frequently Asked Questions
What is the severity of CVE-2025-34236?
CVE-2025-34236 has a medium severity rating due to its potential for stored cross-site scripting attacks.
How do I fix CVE-2025-34236?
To fix CVE-2025-34236, upgrade Advantech WebAccess/VPN to version 1.1.5 or later.
What type of vulnerability is CVE-2025-34236?
CVE-2025-34236 is a stored cross-site scripting (XSS) vulnerability.
What impact does CVE-2025-34236 have?
CVE-2025-34236 may allow an attacker to inject and execute arbitrary scripts in the context of the user's session.
Which versions of Advantech WebAccess/VPN are affected by CVE-2025-34236?
Advantech WebAccess/VPN versions prior to 1.1.5 are affected by CVE-2025-34236.