The page serializer in Google Chrome before 47.0.2526.73 mishandles Mark of the Web (MOTW) comments for URLs containing a "--" sequence, which might allow remote attackers to inject HTML via a crafted URL, as demonstrated by an initial http://example.com?-- substring.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.