---
id: CVE-2025-59990
title: >-
  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 template creation pages that, when visited by
  another u…
summary: >-
  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 template creation pages that, when visited by
  another u…
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
vendor: juniper
product: junos_space
affected:
  - junos_space < 24.1
  - junos_space = 24.1
patched:
  - junos_space 24.1
published: '2025-10-09'
updated: '2026-10-01'
sourceUpdated: '2026-10-01T16:10:00.257'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-59990'
references:
  - url: 'https://supportportal.juniper.net/JSA103140'
    label: sirt@juniper.net
tags:
  - nvd
epss: 0.00222
epssPercentile: 0.1157
ingestedAt: '2026-10-01T18:55:42.294Z'
---

## Overview

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 template creation pages that, when visited by another user, enable the attacker to execute commands with the target's permissions, including an administrator.
This issue affects all versions of Junos Space before 24.1R4.

## Affected

- `junos_space < 24.1`
- `junos_space = 24.1`

## Remediation

Upgrade past the affected range:

- `junos_space 24.1`