Language: Java
Label: safe
CWE: CWE-79 \u2014 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Code:
    public void shouldHaveErrorMessageAlongWithCustomMessageEscapedCorrectly() {
        Map<String, Object> data = new HashMap<>();
        data.put("errorMessage", "<Error> you shouldn't \"expect\"");

        String output = view.render(data);
        assertThat(output).contains("$('trans_content').update(\"Sorry, an unexpected error occurred [<Error> you shouldn\\'t \\\"expect\\\"]. :( Please check the server logs for more information.\");");
    }