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Vulnerability record · CVE-2025-59974 · published 9 October 2025

CVE-2025-59974: Juniper space security director cross-site scripting vulnerability

Juniper · Space Security Director

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.

9.3 CVSS 4.0 Critical EPSS 0.38% · top 70.7% CWE-79 · Cross-site scripting
9.3CVSS 4.0 base score
0.38%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://supportportal.juniper.net/JSA103139 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-59974), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.