CVE-2025-12101
Cross-Site Scripting (XSS)
- Published
- Nov 11, 2025
- Updated
- Nov 12, 2025
- Assigning CNA
- Citrix
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 4.0
CVSS:4.0/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:XModerate · next 30 days
- Percentile
- 98.0%
- Model date
- Oct 17, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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
Sources
javascript/cves/2025/CVE-2025-12101.yaml
Nuclei TemplatesDeclared conditions
- network: http($.protocol_keys)
- verification: dsl($.matchers[*].type)
Simple Python PoC to check Citrix NetScaler ADC/Gateway for CVE-2025-12101 reflected XSS on /cgi/logout using a crafted SAMLResponse + RelayState payload
- CVE-2025-12101-Scanner-PoCScanner
Responsible use
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