Reflected cross-site scripting (XSS) in Citrix NetScaler ADC
Priority MEDIUM 41CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- High
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Reflected Cross-Site Scripting (XSS)
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02629 85th percentileScored 2026-11-07
Fix Fixed NetScaler ADC (Citrix): 49.13, 91.13, 37.159 +1NetScaler Gateway (Citrix): 49.13, 91.13
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Citrix | NetScaler ADC | 13.1 to before 49.13; 13.0 to before 91.13; 13.1-FIPS to before 37.159; 12.1-FIPS to before 55.297; 12.1-NDcPP to before 55.297 | 49.13, 91.13, 37.159, 55.297 | Patch available | CNA |
| Citrix | NetScaler Gateway | 13.1 to before 49.13; 13.0 to before 91.13 | 49.13, 91.13 | Patch available | CNA |
- NetScaler ADC VendorCitrix Affected 13.1 to before 49.13; 13.0 to before 91.13; 13.1-FIPS to before 37.159; 12.1-FIPS to before 55.297; 12.1-NDcPP to before 55.297 Fixed in 49.13, 91.13, 37.159, 55.297 Patch available CNA
- NetScaler Gateway VendorCitrix Affected 13.1 to before 49.13; 13.0 to before 91.13 Fixed in 49.13, 91.13 Patch available CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:* | 12.1 to before 12.1-55.297 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:* | 12.1 to before 12.1-55.297 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:* | 13.0 to before 13.0-91.13 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:* | 13.1 to before 13.1-37.159 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:* | 13.1 to before 13.1-49.13 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:netscaler_application_delivery_controller:11.1-65.22:*:*:*:fips:*:*:* | 11.1-65.22 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:* | 13.0 to before 13.0-91.13; 13.1 to before 13.1-49.13 | Vulnerable | Citrix |
- cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:* Versions 12.1 to before 12.1-55.297 Vulnerable ·Citrix
- cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:* Versions 12.1 to before 12.1-55.297 Vulnerable ·Citrix
- cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:* Versions 13.0 to before 13.0-91.13 Vulnerable ·Citrix
- cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:* Versions 13.1 to before 13.1-37.159 Vulnerable ·Citrix
- cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:* Versions 13.1 to before 13.1-49.13 Vulnerable ·Citrix
- cpe:2.3:a:citrix:netscaler_application_delivery_controller:11.1-65.22:*:*:*:fips:*:*:* Versions 11.1-65.22 Vulnerable ·Citrix
- cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:* Versions 13.0 to before 13.0-91.13; 13.1 to before 13.1-49.13 Vulnerable ·Citrix
Remediation
- Fix · CNA NetScaler ADC (Citrix) Fixed in 49.13, 91.13, 37.159, 55.297
- Fix · CNA NetScaler Gateway (Citrix) Fixed in 49.13, 91.13
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Citrix NetScaler Gateway 49.13, 91.13
3 records Highest priority Priority CRITICAL 1 CRITICAL, 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2023-03284 Unauthenticated remote code execution in Citrix NetScaler ADCPriority CRITICAL 100
- TI-2023-03238 Privilege Escalation to root administrator (nsroot)Priority LOW 39
- Release ·
Citrix NetScaler ADC 37.159, 49.13 and 2 more versions
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2023-03238 Privilege Escalation to root administrator (nsroot)Priority LOW 39
Timeline
- 2026-10-02 Threatist record created from CVE-2023-3466
- 2026-10-03 Alias added: GHSA-6rf7-8m95-g68m
References
More Citrix Netscaler Application Delivery Controller vulnerabilities
- TI-2026-60195 Memory overflow vulnerability leading to Remote Code Execution or Denial of Service KEVCVSS 4.0CRITICAL 9.5
- TI-2026-60194 Improper input validation in Citrix ADC KEVCVSS 4.0CRITICAL 9.5
- TI-2023-04571 Unauthenticated sensitive information disclosure in Citrix NetScaler ADC KEVCVSS 3.1CRITICAL 9.4
- TI-2023-03284 Unauthenticated remote code execution in Citrix NetScaler ADC KEVCVSS 3.1CRITICAL 9.8
- TI-2026-15872 NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2026-19490 KEVCVSS 4.0CRITICAL 9.3
- TI-2026-02639 Insufficient input validation leading to memory overread KEVCVSS 4.0CRITICAL 9.3
Sources
- CVE-2023-3466 · CVE Program
- CVE-2023-3466 · NVD
- FIRST EPSS
- GHSA-6rf7-8m95-g68m · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences