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CVE-2016-4945

22
FAUCET Score

CVE-2016-4945 describes a cross-site scripting (XSS) vulnerability in Citrix NetScaler Gateway 11.0 before Build 66.11, specifically within the vpn/js/gateway_login_form_view.js component. This flaw allows remote attackers to inject arbitrary web script or HTML through the NSC_TMAC cookie. Rated as Medium severity (CVSS 6.1), the vulnerability requires user interaction (UI:R) and could lead to limited confidentiality and integrity impacts (C:L/I:L). There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 65.35CPE matchmatch criteria
cpe:2.3:o:citrix:netscaler_gateway_11.0_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.37%
Probability of exploitation in next 30 days
EPSS Percentile
69.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0137 is in the 81st percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

citrixvendor investigatingvia nvd_reference
View patch

References

packetstormsecurity.com / files/137221/Citrix-Netscaler-11.0-Build-64.35-Cross-Site-Scripting.html
persicon.com / tl_files/advisories/PERSICON-advisory-2016-No-1-citrix.txt
support.citrix.com / article/CTX213313
Vendor Advisory
securityfocus.com / archive/1/538515/100/0/threaded
securitytracker.com / id/1036020