AIKIDO-2026-137636
phoenix_live_view is vulnerable to Cross-Site Scripting (XSS)
51
Medium Risk
This Affects:
phoenix_live_viewTL;DR
In phoenix_live_view, scheme validation bypass in Phoenix.LiveView.Utils leads to XSS through .link>. Inputs beginning with an ASCII control character or space fall through to a nil-returning clause, causing the URL to be treated as a safe relative path. Standard browsers implement the WHATWG URL parser, which strips leading C0 control and space characters before parsing.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
phoenix_live_view is vulnerable to Cross-Site Scripting (XSS) in versions 1.2.2 - 1.2.6.
How to fix this
Upgrade the phoenix_live_view library to the patch version.
Links
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