kallithea Changeset - 429c2c8a4354

Changeset - 429c2c8a4354

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Mads Kiilerich - 7 years ago 2019-02-27 02:23:26
mads@kiilerich.com

pullrequests: prevent XSS in @mention completion when first and last names cannot be trusted

atwho used in MentionsAutoComplete is passing raw user controlled data which
might contain HTML markup.

That could cause XSS issues when completion hit a rogue user name.

To avoid that, make sure displayTpl always escape user information, as
recommended in https://github.com/ichord/At.js/issues/334 .

1 file changed with 7 insertions and 1 deletions:

kallithea/public/js/base.js

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kallithea/public/js/base.js

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@@ @@ -1195,13 +1195,19 @@ var MentionsAutoComplete = function ($in @@
         );
       },
       sorter: function(query, items, searchKey) {
         return items;
+      }
     },
     displayTpl: "<li>" + autocompleteGravatar('${fname} ${lname} (${nname})', '${gravatar_lnk}', 16) + "</li>",
     displayTpl: function(item) {
         return "<li>" +
             autocompleteGravatar(
                 "{0} {1} ({2})".format(item.fname, item.lname, item.nname).html_escape(),
                 '${gravatar_lnk}', 16) +
             "</li>";
     },
     insertTpl: "${atwho-at}${nname}"
   });
 };
 // Set caret at the given position in the input element

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