CVE-2025-59978

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.

CVSS v3.1 Score

9.0

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
juniper	junos_space	< 24.1
juniper	junos_space	All
juniper	junos_space	All
juniper	junos_space	All

References

Advisories & Patches

https://supportportal.juniper.net/JSA103140

Frequently Asked Questions

What is CVE-2025-59978? +

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. It has a CVSS v3.1 base score of 9.0 (CRITICAL).

How severe is CVE-2025-59978? +

CVE-2025-59978 has a CVSS v3.1 score of 9.0 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-59978? +

CVE-2025-59978 affects products from juniper, specifically: junos_space. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-59978? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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