CVE-2025-59974 - CVE House

Back to Database

Status published Critical CVE-2025-59974

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

9.3 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-59974

Check My Exposure

Credits & Attribution

No credits recorded in the NVD database.

References

https://supportportal.juniper.net/JSA103139

More from Juniper Networks

View All →

Junos OS: SRX Series: J-Web can be exposed on additional interfaces

Junos OS and Junos OS Evolved: Optional transitive BGP attribute is modified before propagation to peers causing sessions to flap

Junos OS and Junos OS Evolved: Device allows login for user with expired password

Junos Space: CLI Configlet page is vulnerable to reflected cross-site script injection

Junos OS: A specifically crafted 'show chassis' command causes chassisd to crash

Affected Vendor

Juniper Networks

View all reports →

Affected Software

Junos Space Security Director

Vulnerable Versions:

0

Timeline

Official Publish: October 9th, 2025

Last Modified: February 26th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1189 Drive-by Compromise

T1059.007 JavaScript

T1539 Steal Web Session Cookie

T1213 Data from Information Repositories

T1567 Exfiltration Over Web Service

T1491.001 Defacement