Vulnerability · Published Oct 9, 2025 · Assigned by juniper

CVE-2025-59974Junos Space Security Director: Persistent Cross-Site Scripting (XSS) vulnerability

High 8.4

In plain English

A high-severity cross-site scripting in Junos Space Security Director from Juniper Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).

Severity (CVSS 3.1)8.4High

Exploit odds (30 days)0.4%top 67.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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 products (as reported)

Vendor	Product	Versions
Juniper Networks	Junos Space Security Director	0 – before 24.1R4

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H

References

https://supportportal.juniper.net/JSA103139 vendor-advisory