High severity · published Oct 9, 2025
CVE-2025-59974
Junos Space Security Director: Persistent Cross-Site Scripting (XSS) vulnerability
8.4
CVSS
0.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JS
Junos Space Security Director · Juniper Networks
before 24.1R4 · source: vendor
SS
Space Security Director · Juniper
before 24.1; 24.1; 24.1; 24.1 · source: NVD
Affected product
JS
Junos Space Security Director
Juniper Networks
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-59974
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-59974
Vendor Advisory
https://supportportal.juniper.net/JSA103139
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8.6
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