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Junos SpaceApplication · Juniper

CVE-2025-59995

MEDIUM · 6.1 CVSS v3.1 Published 2025-10-09
Fix available
A fix is available. Upgrade to 24.1 or later.
See remediation →
68/100
Remediation priority · Elevated
Remotely reachable No privileges

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
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 Quick Template page 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 24.1R4.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

This is a stored Cross-site Scripting (XSS) vulnerability in Juniper Networks Junos Space's Quick Template page. An authenticated attacker can inject malicious script tags that execute when other users (including administrators) visit the affected page, allowing command execution with the victim's privileges.

MitigationUpgrade Junos Space to version 24.1R4 or later. Until then, restrict access to the Quick Template functionality to trusted users only and monitor for suspicious activity.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Junos SpaceApplication
Affected:< 24.1= 24.1

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify Junos Space installation and version
    Locate the Junos Space installation directory and read the version file, or run 'show version' via the Junos Space CLI or API
    Affected if The installed version is < 24.1 or = 24.1
  2. Verify the Quick Template page is accessible
    Log into Junos Space as an authenticated user and navigate to the Quick Template functionality, or check the web application routing configuration for Quick Template endpoints
    Affected if The Quick Template page is present and loadable in the web interface
  3. Confirm authenticated access to Junos Space
    Check that user accounts with access to Junos Space exist and can authenticate to the platform
    Affected if Any authenticated user can access the Junos Space web interface
  4. Check for existing XSS payloads in Quick Template
    If you have database access, query the Quick Template configuration tables for suspicious script tags or HTML entities; alternatively, export Quick Template configurations and search for <script> tags or encoded payloads
    Affected if Malicious script tags are stored in Quick Template configuration data

You are affected if Junos Space version is less than 24.1 or equals 24.1, and the Quick Template functionality is accessible to authenticated users in your environment.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 24.1 or later
Fixed in 24.1
Interim mitigation

Upgrade Junos Space to version 24.1R4 or later. Until then, restrict access to the Quick Template functionality to trusted users only and monitor for suspicious activity.

Recommended fix High confidence

24.1R4 or later

  1. Review the Junos Space 24.1R4 release notes for any prerequisites or special instructions
  2. Create a full backup of the Junos Space configuration and data
  3. Download the Junos Space 24.1R4 (or later) software image from the Juniper Networks support portal
  4. Verify the integrity of the downloaded image using checksums provided by Juniper
  5. Schedule a maintenance window to minimize operational impact
  6. Execute the Junos Space upgrade procedure following the official upgrade documentation
  7. Verify that the upgrade completed successfully and all services are operational
  8. Confirm the Quick Template page now properly neutralizes input to prevent XSS
Caveat Review release notes for any configuration changes or compatibility considerations before upgrading

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Junos Space Scoped from the published advisory
  • Consultation6.0 h
  • Implementation12.0 h
  • Testing6.0 h
  • Review / QA4.0 h
28.0 hours of engineering $4,980
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An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $7,968.

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-59995 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data