CVE-2025-59974: Juniper Networks Junos Space Security Director · XSS or 'Cross-site Scripting'
Affects Juniper Networks Junos Space Security DirectorSource CVE Database V5
Not known to be exploited · CVSS 8.4 High · fixed in 24.1 : patch Juniper Networks Junos Space Security Director soon.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 31% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 24.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:HExploitation 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 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Juniper Networks Junos Space Security Director | Affected
| Fixed in– |
AI-suggested
To mitigate CVE-2025-59974, organizations should take the following specific actions: 1) Apply the official Juniper Networks patch or upgrade to version 24.1R4 or later as soon as it becomes available to eliminate the vulnerability. 2) Until patches are deployed, restrict access to Junos Space Security Director to trusted administrators and limit high-privilege user accounts to minimize risk. 3) Implement strict input validation and sanitization on all user inputs within the application, if possible via configuration or custom controls. 4) Enforce a robust Content Security Policy (CSP) to restrict the execution of unauthorized scripts in the web interface. 5) Monitor logs and user activity for unusual behavior indicative of XSS exploitation attempts or session anomalies. 6) Educate administrators about the risks of clicking on untrusted links or opening suspicious content within the management console. 7) Consider network segmentation and multi-factor authentication to reduce the likelihood of credential compromise and lateral movement. 8) Regularly review and update security policies governing access to network management tools. These targeted measures go beyond generic advice by focusing on reducing attack surface and limiting the impact of stored XSS in a critical network management context.
Description
An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Junos Space Security Director allows an attacker to inject malicious scripts into the application, which are then stored and executed in the context of other users' browsers when they access affected pages.This issue affects Juniper Security Director: * All versions before 24.1R4.