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CVE-2025-59995VulnerabilityPublished

CVE-2025-59995: Juniper Networks Junos Space · XSS or 'Cross-site Scripting'

Affects Juniper Networks Junos SpaceSource CVE Database V5

0

Not known to be exploited · CVSS 6.1 Medium.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
6.1Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 12% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Oct 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Affected software

ProductAffectedFixed in
Juniper Networks Junos SpaceAffected
  • =0
Fixed in–

AI-suggested

1. Upgrade Junos Space to version 24.1R4 or later as soon as it becomes available, as this version addresses the vulnerability. 2. Until a patch is applied, restrict access to the Junos Space management interface to trusted networks and users only, using network segmentation and firewall rules. 3. Implement strict input validation and output encoding on the Quick Template page and other user input fields to prevent script injection. 4. Employ Content Security Policy (CSP) headers to limit the execution of unauthorized scripts within the Junos Space web interface. 5. Educate administrators and users to avoid clicking on suspicious links or visiting untrusted pages within the Junos Space environment. 6. Monitor logs and network traffic for unusual activities that may indicate exploitation attempts. 7. Regularly review and audit user permissions to minimize the impact of compromised accounts. 8. Consider deploying web application firewalls (WAF) that can detect and block XSS payloads targeting Junos Space. 9. Stay informed about vendor advisories and apply security updates promptly once patches are released.

Description

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.

References

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