Stored Cross-Site Scripting Vulnerability in BIG-IP Configuration Utility by F5
CVE-2025-59269

8.4HIGH

Key Information:

Vendor

F5
Status
Big-ip
Vendor
CVE Published:
15 October 2025

What is CVE-2025-59269?

A stored cross-site scripting vulnerability is present in the BIG-IP Configuration utility, enabling attackers to execute malicious JavaScript in the session of a user who is currently logged in. This flaw can lead to unauthorized actions, data exposure, or further attacks, as it compromises the integrity of the user session.

Affected Version(s)

BIG-IP 17.5.0 < 17.5.1

BIG-IP 17.1.0 < 17.1.3

BIG-IP 16.1.0 < 16.1.6.1

References

https://my.f5.com/manage/s/article/K000151308
vendor-advisory

CVSS V4

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

F5
JSON
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CVE-2025-59269 : Stored Cross-Site Scripting Vulnerability in BIG-IP Configuration Utility by F5