https://en.wikipedia.org/w/api.php?action=query&list=linterrors&lntcategories=multi-colon-escape&format=json&lntlimit=5000

Quick extract

edit

use UTF8; $|=1; $/="},{"; while (<>){

 # Namespace 3
 # title User talk:
 # cat
 # ::User:RHaworth
 if (s/\"pageid":\d+,"ns":3,"title":"(User talk:[^"]*)","lintId":\d+,"category":"multi\-colon\-escape","location":\[\d+,\d+\],"templateInfo":\{[^\}]*\},"params":\{"href":"::User:RHaworth"\}//){
   $hash{$1}="* \[\[$1\]\]\n";
 }

} for (values %hash){

 print;

}