Improper Encoding or Escaping of Output
An anonymous user can craft a URL with text that ends up in the log viewer as is. The text can then include textual messages to mislead the administrator. This issue affects craftercms versions 3.1.x prior to 3.1.18.
CWE-116 - Improper Encoding or Escaping of Output
The software prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.