VULNERABILITY INTELLIGENCE
CVE-2026-21904
CVSS score6.1 MEDIUM
EPSS probability0.21%
CISA KEVNot currently listed
Published2026-04-09
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Description
An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Juniper Networks Junos Space allows an attacker to inject script tags in the list filter field that, when visited by another user, enables the attacker to execute commands with the target's permissions, including an administrator. This issue affects all versions of Junos Space before 24.1R5 Patch V3.
Weakness classification
- sirt@juniper.net: CWE-79
Primary references
- sirt@juniper.net — Vendor Advisory