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Posted to commits@wicket.apache.org by "Peter Ertl (JIRA)" <ji...@apache.org> on 2010/12/02 02:18:13 UTC
[jira] Updated: (WICKET-2829) Tag attributes values are not escaped
properly during writeOutput
[ https://issues.apache.org/jira/browse/WICKET-2829?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Peter Ertl updated WICKET-2829:
-------------------------------
Affects Version/s: 1.4.7
> Tag attributes values are not escaped properly during writeOutput
> -----------------------------------------------------------------
>
> Key: WICKET-2829
> URL: https://issues.apache.org/jira/browse/WICKET-2829
> Project: Wicket
> Issue Type: Improvement
> Components: wicket
> Affects Versions: 1.4.7
> Environment: Wicket 1.4.7
> Reporter: Rodrigo Faria
> Priority: Trivial
>
> In WICKET-741, the double quote character was escaped. But the characters: ' (single quote) and & (ampersand) are not escaped.
> With & not escaped, if it is included in an attribute value, the result is not XML compliant and XHTML validations marks it as an error.
> With ' not escaped, if single quote is used instead of double quote as in:
> <tag attribute='value'/>
> The result will be broken just as double quote was before WICKET-741.
> I'm not sure if < and > characters should also be escaped. Some validators/parsers allow them, but some other mark them as errors. I would also replace them.
> I suggest adding the lines marked below to ComponentTag.writeOutput:
> ---
> // attributes without values are possible, e.g.' disabled'
> if (value != null)
> {
> response.write("=\"");
> value = Strings.replaceAll(value, "&", "&"); // <--- added
> value = Strings.replaceAll(value, "\"", """);
> value = Strings.replaceAll(value, "\'", "'"); // <----- added
> value = Strings.replaceAll(value, "<", "<"); // <----- added
> value = Strings.replaceAll(value, ">", ">"); // <----- added
> response.write(value);
> response.write("\"");
> }
> ---
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