CVE-2025-59993
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 · uneditedAn 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 Space Node Setting fields 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.
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 confidenceStored XSS vulnerability in Junos Space allows attackers to inject malicious script into Space Node Setting fields. When other users view these fields, the injected script executes in their browser context, enabling the attacker to perform actions with the victim's privileges including administrative commands.
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< 24.1= 24.1CVSS 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 checksWork through these to decide whether this CVE applies to you.
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Identify Junos Space versionAccess the Junos Space web UI or use the command line interface to retrieve the installed version information. Typically found in the admin console under System Settings or via the CLI command displaying the Space version.Affected if The installed version is lower than 24.1 or exactly 24.1, placing it within the vulnerable version range.
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Locate Node Settings configuration areaNavigate to the Junos Space web interface and locate the Node Settings or Node Configuration section. This is typically found under Administration or System Management menus where node-level settings are configured.Affected if Node Settings functionality is accessible and available in the environment.
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Verify access to Node Setting fieldsDetermine whether the current user account or role has permissions to modify Node Setting fields. Check user role assignments and privilege levels within the Junos Space access control system.Affected if Users with limited or untrusted privileges can access and modify Node Setting fields, allowing injection of malicious content.
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Inspect Node Setting fields for existing contentView the current values stored in Node Setting fields. Examine the field values directly through the web UI or by querying the underlying database or configuration export.Affected if The displayed values appear to contain HTML, JavaScript, or script-like characters that may indicate prior injection attempts.
Your environment is affected if Junos Space version is below 24.1 or exactly 24.1 AND the Node Setting fields are accessible to users who are not fully trusted administrators.
Generated from the published advisory. Verify against your own configuration.
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 · scoped24.1
Upgrade Junos Space to version 24.1R4 or later to receive the vendor patch. Until then, restrict access to Node Setting modifications to trusted administrators only.
24.1R4
- 1. Back up the current Junos Space configuration and database using the built-in backup functionality
- 2. Download the Junos Space 24.1R4 upgrade image from the Juniper Networks support portal (supportportal.juniper.net)
- 3. Log in to the Junos Space web management interface as an administrator
- 4. Navigate to the Administration > Workspace > File Management section
- 5. Upload the 24.1R4 upgrade image to the Junos Space platform
- 6. Go to Administration > System > Software Management
- 7. Select the uploaded upgrade image and initiate the upgrade process
- 8. Monitor the upgrade progress and allow sufficient time for completion (this may take 30-60 minutes)
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA3.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-59993 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-59993 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Version or environment caveats, and links to real fixes
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