# CVE-2025-12101: Cross-Site Scripting (XSS) - Exploited (CISA KEV): no - Published: 2025-11-11 - CVSS: 5.9 MEDIUM (v4.0) - EPSS: 26.3% (98th percentile) - CWE: CWE-79 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 ## Edge WAF coverage (claimed by vendors, not measured) | Vendor | Status | First rule | Days after publication | |---|---|---|---| | Cloudflare | No public claim | — | — | | AWS | No public claim | — | — | | Microsoft Azure | No public claim | — | — | | Google Cloud | No public claim | — | — | | Fastly | Before feed history | — | — | | F5 | Rule published | 2025-12-04 | 23 | | Akamai | No public source | — | — | | OWASP CRS | No public claim | — | — | ### F5 - 2025-12-04 · new · rule 200201003 > Added: signature 200201003 "Citrix NetScaler RXSS" (Cross Site Scripting (XSS), risk Medium), systems: Citrix. References: CVE-2025-12101. Source: https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog "No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it. HTML: https://cve.vigilbase.com/cve/CVE-2025-12101 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2025-12101