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https://issues.apache.org/jira/browse/SLING-7658?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Konrad Windszus updated SLING-7658:
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Attachment: SLING-7658-v02.patch
> XSSApi.encodeForHtml doesn't leave unicode character escapes untouched
> ----------------------------------------------------------------------
>
> Key: SLING-7658
> URL: https://issues.apache.org/jira/browse/SLING-7658
> Project: Sling
> Issue Type: Bug
> Components: XSS Protection API
> Affects Versions: XSS Protection API 2.1.0
> Reporter: Konrad Windszus
> Priority: Major
> Attachments: SLING-7658-v01.patch, SLING-7658-v02.patch
>
>
> Whenever {{encodeForHtml}} is called with a string containing a unicode
> character escapes
> (https://www.w3.org/International/questions/qa-escapes#answer), the {{&}}
> gets escaped again. I.e. {{✅}} becomes {{✅}}.
> Compare with the discussion at
> https://www.mail-archive.com/[email protected]/msg76863.html.
> Attached is a patch with a failing test.
> Another use case for using unicode character escapes is the soft hyphen
> (https://developer.mozilla.org/en-US/docs/Web/CSS/hyphens#Suggesting_line_break_opportunities).
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