CVE-2025-59974

Junos Space Security Director: Persistent Cross-Site Scripting (XSS) vulnerability

HIGH
8.4
CVSS Score
Published: October 9, 2025 at 03:57 PM UTC
Updated: October 8, 2026 at 01:10 PM UTC
2 products affected across 2 vendorsSpace Security DirectorJunos Space Security Director

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Severity
HIGH8.4
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

0 ≤ v < 24.1R40
Affected range stops below 24.1R4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://supportportal.juniper.net/JSA103139

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.4HIGHjuniper
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79

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