CVE-2025-34236

Advantech WebAccess/VPN < 1.1.5 Stored XSS via NetworksController.addNetworkAction()

Published Nov 6, 2025 CVSS 4.0 · 6.2 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

Type Values Removed Values Added
First Time appeared Advantech webaccess\/vpn
CPEs cpe:2.3:a:advantech:webaccess\/vpn:*:*:*:*:*:*:*:*
Vendors & Products Advantech webaccess\/vpn
Type Values Removed Values Added
First Time appeared Advantech
Advantech webaccess/vpn
Vendors & Products Advantech
Advantech webaccess/vpn
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Advantech WebAccess/VPN < 1.1.5 Stored XSS via NetworksController.addNetworkAction()
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 6.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 17, 2025, 7:38 PM
Reserved
Apr 15, 2025, 7:15 PM
Status
Analyzed
Published
Nov 6, 2025, 8:15 PM
Modified
Oct 7, 2026, 9:10 PM