---
id: CVE-2025-59978
title: >-
  An Improper Neutralization of Input During Web Page Generation ('Cross-site
  Scripting') vulnerability in Juniper Networks Junos Space allows an attacker
  to store script tags directly in web pages that, when viewed by another user,
  enable…
summary: >-
  An Improper Neutralization of Input During Web Page Generation ('Cross-site
  Scripting') vulnerability in Juniper Networks Junos Space allows an attacker
  to store script tags directly in web pages that, when viewed by another user,
  enable…
severity: critical
cvss: 9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H'
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: '2026-10-08'
sourceUpdated: '2026-10-08T13:10:00.200'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-59978'
references:
  - url: 'https://supportportal.juniper.net/JSA103140'
    label: sirt@juniper.net
tags:
  - nvd
epss: 0.00531
epssPercentile: 0.43103
ingestedAt: '2026-10-08T13:42:55.045Z'
---

## Overview

An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Juniper Networks Junos Space allows an attacker to store script tags directly in web pages that, when viewed by another user, enable the attacker to execute commands with the target's administrative permissions.
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`