5.9
MEDIUM CVSS 4.0
CVE-2025-12101
Cross-Site Scripting (XSS)
Description

Cross-Site Scripting (XSS) in NetScaler ADC and NetScaler Gateway when the appliance is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server

INFO

Published Date :

Nov. 11, 2025, 2:15 p.m.

Last Modified :

Nov. 12, 2025, 4:19 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2025-12101 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 MEDIUM e437aed5-38e0-4fa3-a98b-cb73e7acaec6
CVSS 4.0 MEDIUM [email protected]
Solution
Update NetScaler ADC and Gateway to fix a Cross-Site Scripting vulnerability.
  • Apply the latest vendor security updates for NetScaler ADC.
  • Ensure NetScaler Gateway is updated to the patched version.
  • Review and update Gateway or AAA virtual server configurations.
Public PoC/Exploit Available at Github

CVE-2025-12101 has a 4 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-12101.

URL Resource
https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX695486
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-12101 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-12101 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Python

Updated: 2 weeks, 5 days ago
0 stars 0 fork 0 watcher
Born at : Nov. 15, 2025, 11:15 a.m. This repo has been linked 1 different CVEs too.

CVE-2025-12101 is a cross-site scripting (XSS) vulnerability impacting Citrix NetScaler ADC and Citrix NetScaler Gateway appliances when configured in certain roles (Gateway, AAA virtual server)

Python

Updated: 5 days, 2 hours ago
5 stars 0 fork 0 watcher
Born at : Nov. 14, 2025, 9:53 a.m. This repo has been linked 2 different CVEs too.

Simple Python PoC to check Citrix NetScaler ADC/Gateway for CVE-2025-12101 reflected XSS on /cgi/logout using a crafted SAMLResponse + RelayState payload

Python

Updated: 3 weeks ago
0 stars 1 fork 1 watcher
Born at : Nov. 12, 2025, 10:49 p.m. This repo has been linked 1 different CVEs too.

📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.

security cve exploit poc vulnerability

Updated: 1 week, 1 day ago
7400 stars 1218 fork 1218 watcher
Born at : Dec. 8, 2019, 1:03 p.m. This repo has been linked 825 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-12101 vulnerability anywhere in the article.

  • The Hacker News
ThreatsDay Bulletin: Cisco 0-Days, AI Bug Bounties, Crypto Heists, State-Linked Leaks and 20 More Stories

Behind every click, there's a risk waiting to be tested. A simple ad, email, or link can now hide something dangerous. Hackers are getting smarter, using new tools to sneak past filters and turn trust ... Read more

Published Date: Nov 13, 2025 (3 weeks ago)
  • CybersecurityNews
Citrix NetScaler ADC and Gateway Vulnerability Enables Cross-Site Scripting Attacks

Cloud Software Group has disclosed a cross-site scripting (XSS) vulnerability affecting NetScaler ADC and NetScaler Gateway products. Tracked as CVE-2025-12101, the flaw allows attackers to inject mal ... Read more

Published Date: Nov 12, 2025 (3 weeks, 1 day ago)

The following table lists the changes that have been made to the CVE-2025-12101 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Nov. 11, 2025

    Action Type Old Value New Value
    Added Description Cross-Site Scripting (XSS) in NetScaler ADC and NetScaler Gateway when the appliance is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server
    Added CVSS V4.0 AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-79
    Added Reference https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX695486
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5.9
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability