HTML injection attack is closely related to Cross-site Scripting (XSS). HTML injection uses HTML to deface the page. XSS, as the name implies, injects JavaScript into the page. Both attacks exploit insufficient validation of user input. A patch is available on commit f20abf30a1d9c1426c5fb757ac63998dc5b92bfc and is anticipated to be part of version 1.3.2.
