feat(go): detect non-constant argument to template.HTML(...) — html/template escaping bypass (CWE-79) - #147
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Detects
template.HTML()where $X is not a compile-time string constant.The html/template package auto-escapes HTML when rendering plain-string fields, but wrapping a value in the
template.HTMLtype instructs the renderer to emit it verbatim. When a non-literal value (file-derived bytes, config, or user input) is wrapped this way and reaches the rendered page, it is a stored/reflected XSS sink (CWE-79). Literal constants wrapped deliberately (template.HTML("...")) are excluded via pattern-not.Pattern shape (generic):
Validated: pos repro fires (2), constant-only repro is clean.