HTMLScanner: fix an infinity loop problem while processing <plaintext> - Githubissues

HtmlUnit / htmlunit-neko

HtmlUnit adaptation of NekoHtml

Apache License 2.0

17 stars 15 forks source link

HTMLScanner: fix an infinity loop problem while processing <plaintext> #92

Closed duonglaiquang closed 8 months ago

duonglaiquang commented 8 months ago

This PR does the following

Fix an issue where HTMLScanner will run into an infinity loop while parsing <plaintext> tag inside document.write

Reproducing

This shows the case where the infinity loop can happen

Source

<!DOCTYPE html>
<html>
<head>
<script>
document.write("<plaintext>foo")
</script>
<title>Test</title>
</head>
<body>
bar
</body>
</html>

Expected DOM tree output

<!DOCTYPE html>
<html>
<head>
<script>
document.write("<plaintext>foo")
</script>
</head>
<body>
<plaintext>
  foo
  &lt;title&gt;Test&lt;/title&gt;
  &lt;/head&gt;
  &lt;body&gt;
  bar
  &lt;/body&gt;
  &lt;/html&gt;
</plaintext>
</body>
</html>

rbri commented 8 months ago

Thanks (as always) - made a new neko snapshot available - 4.0.0-SNAPSHOT