Index: cms/converters.py
===================================================================
--- a/cms/converters.py
+++ b/cms/converters.py
@@ -145,17 +145,17 @@ class Converter:
     for i in range(len(fixed_strings)):
       result = re.sub(r"\{%d\}" % (i + 1), fixed_strings[i], result, 1)
 
     # Insert attributes
     result = escape(result)
     def stringify_attribute((name, value)):
       return '%s="%s"' % (
         escape(name),
-        escape(self.insert_localized_strings(value, escapes))
+        escape(self.insert_localized_strings(value, {}))
       )
 
     for tag in self.whitelist:
       saved = saved_attributes.get(tag, [])
       for attrs in saved:
         attrs = map(stringify_attribute, attrs)
         result = re.sub(
           r"%s([^<>]*?)%s" % (re_escape("<%s>" % tag), re_escape("</%s>" % tag)),