Cross-site scripting in Citrix NetScaler Gateway and Citrix Netscaler ADC - CVE-2025-12101
Published: November 11, 2025 / Updated: November 14, 2025
Vulnerability identifier: #VU118307
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2025-12101
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Affected software
Citrix NetScaler Gateway
Citrix Netscaler ADC
Citrix Netscaler ADC
How to mitigate CVE-2025-12101
Install updates from vendor's website.
Citrix NetScaler Gateway - addressed in versions 12.1-55.333, 13.1-37.250, 13.1-60.32, 14.1-56.73
Citrix Netscaler ADC - addressed in versions 12.1-55.333, 13.1-37.250, 13.1-60.32, 14.1-56.73
Citrix Netscaler ADC - addressed in versions 12.1-55.333, 13.1-37.250, 13.1-60.32, 14.1-56.73