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Medium · 6.1 CVE-2025-59269 EUVD-2025-34656GHSA-22m6-79rr-hjr4

BIG-IP Configuration utility XSS vulnerability

Published Oct 15, 2025 · Updated Feb 26, 2026 · Assigned by f5

Description

A stored cross-site scripting (XSS) vulnerability exists in an undisclosed page of the BIG-IP Configuration utility that allows an attacker to run JavaScript in the context of the currently logged-in user.  

Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

VendorProductAffectedFixed
F5 BIG-IP 17.5.0 – < 17.5.1, 17.1.0 – < 17.1.3, 16.1.0 – < 16.1.6.1, 15.1.0 – < 15.1.10.8 17.5.1

Advisories 2

References