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CVE-2025-59992VulnerabilityPublished

CVE-2025-59992: 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 26 Oct 2026, 06:26 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 2026-10-26.

What to do

Affected software

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

AI-suggested

European organizations should immediately inventory their Junos Space deployments to identify affected versions prior to 24.1R4. Until patches are released, implement strict input validation and sanitization on all web interfaces, particularly the Secure Console page, to block malicious script injection. Deploy Content Security Policy (CSP) headers to restrict execution of unauthorized scripts. Limit access to the Secure Console page using network segmentation, VPNs, or IP whitelisting to reduce exposure. Educate administrators about phishing and social engineering risks to minimize the chance of interacting with malicious content. Monitor logs for unusual activity on Junos Space consoles and implement anomaly detection to identify potential exploitation attempts. Once Juniper releases a patch, prioritize timely deployment. Additionally, consider multi-factor authentication for administrative access to reduce risk from compromised sessions.

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 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.

References

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