CVE-2025-59994: 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 25 Oct 2026, 19:02 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 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Juniper Networks Junos Space | Affected
| Fixed in– |
AI-suggested
To mitigate CVE-2025-59994, European organizations should prioritize upgrading Junos Space to version 24.1R4 or later, where the vulnerability is patched. In the absence of immediate patching, organizations should implement strict input validation and sanitization on the Quick Template page to prevent script injection. Restrict access to Junos Space management interfaces to trusted networks and users, employing network segmentation and strong authentication mechanisms. Enable Content Security Policy (CSP) headers to limit the execution of unauthorized scripts in the web interface. Monitor logs for unusual activity or attempts to inject scripts. Conduct user awareness training to reduce the risk of users interacting with maliciously crafted pages. Regularly audit and review user permissions to minimize the number of users with administrative privileges. Finally, maintain up-to-date backups and incident response plans tailored to network management system 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 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.