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From "Pascal Schumacher (JIRA)" <>
Subject [jira] [Moved] (TEXT-46) StringEscapeUtils.unescapeHtml: handle HTML escapes without semicolon
Date Mon, 26 Dec 2016 16:45:58 GMT


Pascal Schumacher moved LANG-757 to TEXT-46:

    Fix Version/s:     (was: Discussion)
      Component/s:     (was: lang.*)
         Workflow: jira  (was: Default workflow, editable Closed status)
              Key: TEXT-46  (was: LANG-757)
          Project: Commons Text  (was: Commons Lang)

> StringEscapeUtils.unescapeHtml: handle HTML escapes without semicolon
> ---------------------------------------------------------------------
>                 Key: TEXT-46
>                 URL:
>             Project: Commons Text
>          Issue Type: Improvement
>            Reporter: Steve Hale
>            Priority: Minor
>         Attachments: commons-lang3-LANG-757.patch
> org.apache.commons.lang.StringEscapeUtils.unescapeHtml is useful in detecting and correcting
Cross-Site Scripting (XSS) attempts by converting escaped chars like &# 60; or & lt;
(remove spaces) into normal chars like < so patterns like HTML tags can be detected.  Many
browsers will allow variations without semicolons, particularly the long UTF-8 encoding like
&#0000060.  Please see:
> Since this may not be standard HTML, maybe adding a boolean bLenient parameter to the
method could allow better backward compatibility.

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