Doing a curl, parsing the return for the <title> field, then saving the string for comparison if the title field exists seems pretty safe. I'd be interested to

Doing a curl, parsing the return for the <title> field, then saving the string for comparison if the title field exists seems pretty safe. I'd be interested to see an exploit. And as it stands, allowing the submission endangers us all, rather than writing something designed to be tolerant and preventing any such exploit. Still, an interesting question.