CVE-2016-4945 Cross-site scripting in n/a

Medium 6.1 Published Updated

Remote attackers can inject arbitrary web script via the NSC_TMAC cookie in Citrix NetScaler Gateway, potentially leading to session hijacking or malicious actions.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2016-4945?

CVE-2016-4945 is a medium-severity cross-site scripting vulnerability in n/a, published on 1 Jun 2016. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-79

Which versions are affected by CVE-2016-4945?

It affects 1 product.

Products include Citrix Netscaler Gateway 11.0 Firmware.

How do I fix CVE-2016-4945?

No fix has been published for CVE-2016-4945 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2016-4945 being exploited?

There is no known exploitation of CVE-2016-4945 in the wild and no public exploit code.

Sources

Also known as GHSA-jrg8-c34p-wgmf.

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