CVE-2025-59987: Juniper Networks Junos Space · XSS or 'Cross-site Scripting'
Affects Juniper Networks Junos SpaceSource CVE Database V5
Not known to be exploited · CVSS 6.1 Medium.
Data as of 26 Oct 2026, 06:26 UTC
- 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:NExploitation evidence
Disclosed: evidence found.
CVE published 9 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| Juniper Networks Junos Space | Affected
| Fixed in– |
AI-suggested
1. Apply patches or updates from Juniper Networks as soon as they become available, specifically upgrading to Junos Space version 24.1R4 or later. 2. Implement web application firewall (WAF) rules to detect and block malicious script injections targeting the device search field. 3. Enforce strict input validation and output encoding on all user-supplied inputs within Junos Space, especially the device search functionality. 4. Restrict access to the Junos Space management interface to trusted networks and users via network segmentation and access control lists (ACLs). 5. Monitor logs and user activity for unusual search queries or unexpected script execution patterns. 6. Educate administrators and users about the risks of clicking on suspicious links or search results within the management interface. 7. Consider deploying Content Security Policy (CSP) headers to limit the execution of unauthorized scripts in the web interface. 8. Regularly review and audit Junos Space configurations and user permissions to minimize the impact of potential compromises.
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 arbitrary device search field 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.