CVE-2025-59978

Critical

Description

An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Juniper Networks Junos Space allows an attacker to store script tags directly in web pages that, when viewed by another user, enable the attacker to execute commands with the target's administrative permissions. This issue affects all versions of Junos Space before 24.1R4.

SeverityCritical

CVSS9.0

Exploit probability—

Product

Juniper Junos Space

PublishedOct 9, 2025

First seenOct 9, 2025

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

juniper junos_space24.1 or later

Vendor advisories

supportportal.juniper.net/JSA103140

Affected products

Product	Affected versions	Fixed in
juniper junos_space	v < 24.1, 24.1	24.1

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