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From "Pascal Schumacher (JIRA)" <j...@apache.org>
Subject [jira] [Moved] (TEXT-43) [XSS] StringEscapeUtils.escapeHtml() must escape ' chars to &#39;
Date Mon, 26 Dec 2016 16:42:58 GMT

     [ https://issues.apache.org/jira/browse/TEXT-43?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pascal Schumacher moved LANG-572 to TEXT-43:
--------------------------------------------

        Fix Version/s:     (was: Discussion)
    Affects Version/s:     (was: 2.4)
          Component/s:     (was: lang.*)
             Workflow: jira  (was: Default workflow, editable Closed status)
                  Key: TEXT-43  (was: LANG-572)
              Project: Commons Text  (was: Commons Lang)

> [XSS] StringEscapeUtils.escapeHtml() must escape ' chars to &#39; 
> ------------------------------------------------------------------
>
>                 Key: TEXT-43
>                 URL: https://issues.apache.org/jira/browse/TEXT-43
>             Project: Commons Text
>          Issue Type: Improvement
>         Environment: Operating System: All
> Platform: All 
>            Reporter: Keisuke Kato
>            Priority: Minor
>
> If developers putting untrusted data into attribute values using the single quote character
' and StringEscapeUtils.escapeHtml() like:
> <input type='text' name='input' value=*'<%=StringEscapeUtils.escapeHtml(request.getParameter("input"))%>'*>
> Then, the attacker is able to break out of the HTML attribute context like:
> hxxp://example.org/?input=*' onfocus='alert(document.cookie);' id='*
> <input type='text' name='input' value='*'onfocus='alert(document.cookie);'id='*'>
> I think [LANG\-122|https://issues.apache.org/jira/browse/LANG-122] is not truly fixed
from this aspect (XSS).



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