CVE-2025-59992
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 Secure Console 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 confidenceThis is a stored Cross-site Scripting (XSS) vulnerability in Juniper Networks Junos Space's Secure Console page. An authenticated attacker can inject malicious script tags that persist on the page and execute in the browsers of other users who visit it, allowing the attacker to hijack sessions and execute commands with the permissions of the victimized user, including administrators.
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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Confirm Junos Space is deployedIdentify if Juniper Junos Space appliances or virtual instances exist in your environment. Check for hosts running the Junos Space application, typically on port 443 or 8443.Affected if Junos Space is present in the environment
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Identify installed Junos Space versionAccess the Junos Space web UI and navigate to Administration > System > Software, or run 'show version' via the CLI on the Junos Space device. Alternatively, check the About page in the web interface.Affected if The installed version is less than 24.1 or exactly equals 24.1
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Verify Secure Console feature statusLog into the Junos Space web UI and navigate to the Secure Console page (typically under Network Management > Secure Console or similar path depending on UI version). Confirm whether this feature is accessible to any user role.Affected if Secure Console page is accessible and functional in the installation
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Inspect Secure Console page for injected scriptsIf you have access, view the HTML source of the Secure Console page or use browser developer tools to inspect the DOM for any script tags, event handlers, or suspicious content in input fields that persist across sessions.Affected if Malicious script tags or XSS payloads are present in the Secure Console page content
Your environment is affected if Junos Space is deployed with a version less than 24.1 or exactly 24.1, and the Secure Console page feature is enabled and accessible to authenticated users.
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. Until upgrade is possible, restrict access to the Secure Console page to trusted users only and monitor for suspicious session activity.
24.1R4
- 1. Identify the current Junos Space version by navigating to Administration > System > Platform or using the CLI command 'show version'
- 2. Verify the current version is affected (< 24.1R4)
- 3. Schedule a maintenance window for the upgrade
- 4. Perform a complete backup of the Junos Space database and configuration
- 5. Download Junos Space 24.1R4 or later from the Juniper support portal
- 6. Follow Juniper's standard upgrade procedure: navigate to Administration > System > Upgrade > Software Upgrade in the web UI
- 7. Select the downloaded 24.1R4 image and initiate the upgrade
- 8. After upgrade completes, verify the version shows 24.1R4 or later
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation2.0 h
- Testing8.0 h
- Review / QA3.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-59992 — 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-2025-59992 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
- No weaponised exploit code, or anything meant to cause harm
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