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GO-2026-5029

Invoking incorrect handling of character references in DOCTYPE nodes in golang.org/x/net/html

Details

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.

Are you affected?

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Affected packages

Go / golang.org/x/net
Introduced in: 0 Fixed in: 0.55.0
Fix go get golang.org/x/net@v0.55.0

References