Reflected XSS in Citrix NetScaler ADC and NetScaler Gateway SAML logout handling
CVE-2025-12101 is a reflected cross-site scripting vulnerability in Citrix NetScaler ADC and NetScaler Gateway when the appliance is configured as a Gateway (including VPN virtual server, ICA Proxy, CVPN, or RDP Proxy) or as an AAA virtual server. Available reporting indicates the issue is in SAML response handling associated with the /cgi/logout endpoint, where crafted POST requests containing malicious SAMLResponse and RelayState parameters can be reflected back to the client. This allows attacker-controlled script content to be injected into the browser context of a victim interacting with the affected appliance. Supporting reporting also states the same input handling can be abused for open redirect behavior. Affected versions include NetScaler ADC/Gateway 14.1 before 14.1-56.73, 13.1 before 13.1-60.32, NetScaler ADC 13.1-FIPS/NDcPP before 13.1-37.250-FIPS/NDcPP, and 12.1-FIPS/NDcPP before 12.1-55.333-FIPS/NDcPP.
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Exploits
No valid public exploits. Mallory filtered out 2 candidates as fakes, detection scripts, or README-only repos.
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Recent activity
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An open redirect vulnerability identified as CVE-2025-12101. Open redirects can allow attackers to redirect users to malicious sites, potentially facilitating phishing or other attacks.
A reflected cross-site scripting (XSS) vulnerability in Citrix NetScaler, identified as CVE-2025-12101.
A reflected cross-site scripting (XSS) vulnerability in Citrix NetScaler ADC and NetScaler Gateway, exploitable via the RelayState parameter, allows attackers to execute arbitrary XSS payloads. The flaw is patched.
A reflected cross-site scripting (XSS) and open redirect vulnerability in Citrix NetScaler ADC and Gateway when configured as a Gateway or AAA virtual server. Attackers can exploit this via crafted SAML responses to execute JavaScript in victim browsers or redirect users to malicious sites.
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