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Fencer Vulns
medium 5.9

CVE-2025-12101 json

Cross-Site Scripting (XSS)

published 2025-11-11 11 mo ago modified 2026-10-18 21 d ago also EUVD-2025-84344

cvss
5.9
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
26.3%
EPSS 26.3% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known, plus a Nuclei check

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

Patch / fix

  • NetScaler ADC 37.250, 55.333, 56.73, 60.32
  • NetScaler Gateway 37.250, 55.333, 56.73, 60.32

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
11 mo ago

Exploit prediction

26.25% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template Citrix NetScaler ADC & Gateway - Reflected XSS / Open Redirect nuclei detection template

CVSS scores

assigned by version score vector
CNA 4.0 5.9 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
CNA 4.0 5.9 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:X

Affected products

  • NetScaler ADC
  • NetScaler Gateway

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.