CVE-2016-4945: Cross-site scripting (XSS) vulnerability in vpn/js/gateway_login_form_view.js in Citrix NetScaler Gateway 11.0 before Build 66.11 allows remote attackers to…

PriorityP277medium6.1CVSS 3.0

AVNACLPRNUIRSCCLILAN

ITWVulnCheck KEV

Exploited in the wild

EPSS

1.37%

68.5th percentile

Cross-site scripting (XSS) vulnerability in vpn/js/gateway_login_form_view.js in Citrix NetScaler Gateway 11.0 before Build 66.11 allows remote attackers to inject arbitrary web script or HTML via the NSC_TMAC cookie.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
citrix	citrix_adm	—	—
citrix	citrix_hypervisor	—	—
citrix	citrix_virtual_apps_and_desktops	—	—
citrix	endpoint_management	—	—
citrix	netscaler_adc	—	—
citrix	netscaler_adc_gateway	—	—
citrix	netscaler_gateway	—	—
citrix	netscaler_gateway_11.0_firmware	<= 65.35	—
citrix	xenserver	—	—

Detection & IOCsextracted from sources · hover to see the quote

cookieNSC_TMAC↗

pathvpn/js/gateway_login_form_view.js↗

→Monitor HTTP requests to Citrix NetScaler Gateway for the NSC_TMAC cookie containing unsanitized script or HTML payloads (e.g., <script>, javascript: URIs, event handlers) ↗
→Inspect traffic targeting the path vpn/js/gateway_login_form_view.js on NetScaler Gateway 11.0 builds prior to 66.11 for XSS exploitation attempts ↗

·Vulnerability is only present in Citrix NetScaler Gateway 11.0 before Build 66.11; patched versions are not affected ↗

CVSS provenance

nvdv3.06.1MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N

vulncheck6.1MEDIUM

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