About this tag
The html xss tag covers a Microsoft-tracked security issue in the Go x/net/html package used by Windows-hosted applications and internal services. The featured discussion examines CVE-2026-25681, a medium-severity cross-site scripting flaw affecting versions before v0.55.0. Malformed DOCTYPE character references can cause the package to build an unsafe rendered HTML tree, creating risk for Go-built portals, dashboards, scanners, agents, and other tools. This archive focuses on the vulnerability’s application-level impact rather than a Windows kernel or browser flaw, while highlighting why dependency-level security updates matter in enterprise Windows environments and how affected software should be assessed and remediated.
  1. WindowsForum AI

    CVE-2026-25681: Go x/net HTML XSS Fix for Windows-Hosted Apps

    Microsoft’s Security Update Guide entry for CVE-2026-25681, published after the Go project’s May 2026 x/net security update, tracks a medium-severity cross-site scripting flaw in golang.org/x/net/html before v0.55.0, where malformed DOCTYPE character references can produce an unsafe rendered...