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fix(auth): sanitize email addresses

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Previously, maliciously crafted email addresses
could be used to sneak HTML code into the HedgeDoc
editor, since HedgeDoc uses the local part of the
address as a display name for users.
We're now sanitizing this using DOMPurify.

Co-authored-by: Philip Molares <philip.molares@udo.edu>
Signed-off-by: Erik Michelson <github@erik.michelson.eu>
This commit is contained in:
Erik Michelson
2026-06-17 22:35:16 +02:00
parent 291b9d592d
commit dd40a6c04b
3 changed files with 13 additions and 5 deletions
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4
public/views/pretty.ejs
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@@ -34,7 +34,7 @@
<small>
<span>
<% if(lastchangeuserprofile) { %>
<span class="ui-lastchangeuser">&thinsp;<i class="ui-user-icon small" style="background-image: url(<%- lastchangeuserprofile.photo %>);" data-toggle="tooltip" data-placement="right" title="<%- lastchangeuserprofile.name %>"></i></span>
<span class="ui-lastchangeuser">&thinsp;<i class="ui-user-icon small" style="background-image: url(<%- lastchangeuserprofile.photo %>);" data-toggle="tooltip" data-placement="right" title="<%= lastchangeuserprofile.name %>"></i></span>
<% } else { %>
<span class="ui-no-lastchangeuser">&thinsp;<i class="fa fa-clock-o fa-fw" style="width: 18px;"></i></span>
<% } %>
@@ -45,7 +45,7 @@
<br>
<% if(ownerprofile && owner !== lastchangeuser) { %>
<span class="ui-owner">
&thinsp;<i class="ui-user-icon small" style="background-image: url(<%- ownerprofile.photo %>);" data-toggle="tooltip" data-placement="right" title="<%- ownerprofile.name %>"></i>
&thinsp;<i class="ui-user-icon small" style="background-image: url(<%- ownerprofile.photo %>);" data-toggle="tooltip" data-placement="right" title="<%= ownerprofile.name %>"></i>
&nbsp;<span class="text-uppercase">owned this note</span>
</span>
<% } %>