Citrix NetScaler ADC/NetScaler Gateway up to 37.249/55.332/56.72/60.31 cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in Citrix NetScaler ADC and NetScaler Gateway up to 37.249/55.332/56.72/60.31. Affected is an unknown function. Performing a manipulation results in cross site scripting. This vulnerability is cataloged as CVE-2025-12101. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Citrix NetScaler ADC and NetScaler Gateway up to 37.249/55.332/56.72/60.31. This affects some unknown processing. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

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

The advisory is shared at support.citrix.com. This vulnerability is uniquely identified as CVE-2025-12101 since 10/23/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 275434 (NetScaler ADC and NetScaler Gateway XSS (CTX695486)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 37.250, 55.333, 56.73 or 60.32 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (275434). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Network Management Software

Vendor

• Citrix

Name

• NetScaler ADC
• NetScaler Gateway

Version

• 37.249
• 55.332
• 56.0
• 56.1
• 56.2
• 56.3
• 56.4
• 56.5
• 56.6
• 56.7
• 56.8
• 56.9
• 56.10
• 56.11
• 56.12
• 56.13
• 56.14
• 56.15
• 56.16
• 56.17
• 56.18
• 56.19
• 56.20
• 56.21
• 56.22
• 56.23
• 56.24
• 56.25
• 56.26
• 56.27
• 56.28
• 56.29
• 56.30
• 56.31
• 56.32
• 56.33
• 56.34
• 56.35
• 56.36
• 56.37
• 56.38
• 56.39
• 56.40
• 56.41
• 56.42
• 56.43
• 56.44
• 56.45
• 56.46
• 56.47
• 56.48
• 56.49
• 56.50
• 56.51
• 56.52
• 56.53
• 56.54
• 56.55
• 56.56
• 56.57
• 56.58
• 56.59
• 56.60
• 56.61
• 56.62
• 56.63
• 56.64
• 56.65
• 56.66
• 56.67
• 56.68
• 56.69
• 56.70
• 56.71
• 56.72
• 60.0
• 60.1
• 60.2
• 60.3
• 60.4
• 60.5
• 60.6
• 60.7
• 60.8
• 60.9
• 60.10
• 60.11
• 60.12
• 60.13
• 60.14
• 60.15
• 60.16
• 60.17
• 60.18
• 60.19
• 60.20
• 60.21
• 60.22
• 60.23
• 60.24
• 60.25
• 60.26
• 60.27
• 60.28
• 60.29
• 60.30
• 60.31

License

• commercial

Website

• Vendor: https://www.citrix.com/

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 275434
Nessus Name: NetScaler ADC and NetScaler Gateway XSS (CTX695486)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: NetScaler ADC/NetScaler Gateway 37.250/55.333/56.73/60.32

Timelineinfo

10/23/2025 CVE reserved
11/11/2025 +19 days Advisory disclosed
11/11/2025 +0 days VulDB entry created
11/14/2025 +3 days VulDB entry last update

Sourcesinfo

Vendor: citrix.com

Advisory: CTX695486
Status: Confirmed

CVE: CVE-2025-12101 (🔒)
GCVE (CVE): GCVE-0-2025-12101
GCVE (VulDB): GCVE-100-331869

Entryinfo

Created: 11/11/2025 14:58
Updated: 11/14/2025 23:16
Changes: 11/11/2025 14:58 (68), 11/14/2025 23:16 (2)
Complete: 🔍
Cache ID: 216::103

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Discussion

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