Is CVE-2025-59978 in the CISA KEV catalog?

No. CVE-2025-59978 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-59978?

CVE-2025-59978 has a CVSS v3 base score of 9.0 (CRITICAL).

What is the EPSS score for CVE-2025-59978?

CVE-2025-59978 has an EPSS score of 0.56% (42th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2025-59978

CRITICAL

9.0

CVSS v3

NVD

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.

CWE-79Cross-Site Scripting (XSS)

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.56%probability of exploitation in 30 days

42ndpercentile

Moderate risk: more likely to be exploited than 42% of all known CVEs.

References

https://supportportal.juniper.net/JSA103140

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-01-23.