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LibWeb: Avoid invoking Trusted Types where avoidable

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Prevents observably calling Trusted Types, which can run arbitrary JS,
cause crashes due to use of MUST and allow arbitrary JS to modify
internal elements.
This commit is contained in:
Luke Wilde 2025-10-31 12:30:47 +00:00 • committed by Tim Flynn
parent fb9406ddcd
commit 82bd3d3891
Notes: github-actions[bot] 2025-11-06 16:46:00 +00:00
83 changed files with 407 additions and 366 deletions
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6
Libraries/LibWeb/HTML/HTMLOptionElement.cpp
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@ -99,9 +99,9 @@ Utf16String HTMLOptionElement::value() const
}
// https://html.spec.whatwg.org/multipage/form-elements.html#dom-option-value
WebIDL::ExceptionOr<void> HTMLOptionElement::set_value(Utf16String const& value)
void HTMLOptionElement::set_value(Utf16String const& value)
{
return set_attribute(HTML::AttributeNames::value, value);
set_attribute_value(HTML::AttributeNames::value, value.to_utf8_but_should_be_ported_to_utf16());
}
static void concatenate_descendants_text_content(DOM::Node const* node, StringBuilder& builder)
@ -129,7 +129,7 @@ String HTMLOptionElement::label() const
// https://html.spec.whatwg.org/multipage/form-elements.html#dom-option-label
void HTMLOptionElement::set_label(String const& label)
{
MUST(set_attribute(HTML::AttributeNames::label, label));
set_attribute_value(HTML::AttributeNames::label, label);
// Note: this causes attribute_changed() to be called, which will update the <select>'s label
}