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When detecting html in init, ignore html characters within quotes, brackets, and parens as well as escaped characters which are valid in selectors. Fixes #11290.

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This commit is contained in:
timmywil 2012-06-19 11:35:45 -04:00
parent 868a9cea08
commit 7692ae419d
2 changed files with 8 additions and 2 deletions
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3
src/core.js
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@ -41,7 +41,8 @@ var
// A simple way to check for HTML strings
// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
rhtmlString = /^(?:[^#<]*(<[\w\W]+>)[^>]*$)/,
// Ignore html if within quotes "" '' or brackets/parens [] ()
rhtmlString = /^(?:[^#<\\]*(<[\w\W]+>)(?![^\[]*\])(?![^\(]*\))(?![^']*')(?![^"]*")[^>]*$)/,
// Match a standalone tag
rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/,

7
test/unit/core.js
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@ -605,7 +605,7 @@ test("isWindow", function() {
});
test("jQuery('html')", function() {
expect(18);
expect( 22 );
QUnit.reset();
jQuery.foo = false;
@ -638,6 +638,11 @@ test("jQuery('html')", function() {
ok( jQuery("<div></div>")[0], "Create a div with closing tag." );
ok( jQuery("<table></table>")[0], "Create a table with closing tag." );
equal( jQuery("element[attribute='<div></div>']").length, 0, "When html is within brackets, do not recognize as html." );
equal( jQuery("element[attribute=<div></div>]").length, 0, "When html is within brackets, do not recognize as html." );
equal( jQuery("element:not(<div></div>)").length, 0, "When html is within parens, do not recognize as html." );
equal( jQuery("\\<div\\>").length, 0, "Ignore escaped html characters" );
// Test very large html string #7990
var i;
var li = "<li>very large html string</li>";