CVE-2025-59978
Published: 09 October 2025
Summary
CVE-2025-59978 is a critical-severity Cross-site Scripting (CWE-79) vulnerability in Juniper Junos Space. Its CVSS base score is 9.4 (Critical).
Operationally, ranked at the 20.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-33389
Vulnerability details
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…
more
with the target's administrative permissions. This issue affects all versions of Junos Space before 24.1R4.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.