XSS in Juniper Junos Space
CVE-2025-59986
An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Juniper Networks Junos Space allows an attacker to inject script tags in the input fields in Model Devices that, when visited by another user, enables the attacker to execute commands with the target's permissions, including an administrator.This issue affects all versions of Junos Space before 24.1R4.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (11.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Juniper Junos Space — versions 24.1
- Juniper Networks Junos Space — versions 0
Weakness classification (CWE)
References
- supportportal.juniper.net/JSA103140 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-59986?
- CVE-2025-59986 is a medium-severity vulnerability in Juniper Junos Space, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-10-09.
- How severe is CVE-2025-59986?
- Medium severity. CVSS v3 base score is 6.1 out of 10.