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A certain Web application displays user information according to user input via Web browser. The XML data managing user information is as shown in [example xm I] referenced in a separate window.
At this time, the Web application completes the [XQuery] by replacing (1) and (2) with the user input character string, and executes the query.
No character escapes (e.g. convert "<" to "<") are performed for character string input by the user.
Select the query execution result when the user input character string is as follows:
(2) OK
Suggested Answer: B, F
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33 comments · newest first
SH
Shaquana
11 months ago
Option B seems correct based on the structure.
AN
Annamaria
11 months ago
Wait, so no character escape? That's risky!
TA
Tamie
11 months ago
I think option D is more likely, errors happen often.
RO
Roslyn
12 months ago
Definitely going with option C here.
CH
Chara
12 months ago
The query will execute without escaping characters.
HA
Harrison
12 months ago
I think option D is likely correct since unescaped characters can lead to unexpected behavior in XQuery. But I wish I had reviewed more examples before the exam.
KR
Kris
1 year ago
This question seems similar to one we practiced about XML data retrieval. I think the user input might lead to an error because of the unescaped characters.
DE
Deeanna
1 year ago
I remember we discussed how user input can affect the output of XQuery, but I'm not sure how the lack of character escaping will impact this specific query.
GO
Goldie
1 year ago
I've seen questions like this before. The key is to identify the potential for XML injection and understand the implications of the query execution with the given user input. I'll need to work through this methodically.
JO
Johnna
1 year ago
This is a great question to test our understanding of XML security vulnerabilities. I'll need to be very careful in analyzing the input and the potential impact of the query execution.
TI
Tien
1 year ago
Okay, let's think this through step-by-step. The user input is replacing (1) and (2) in the XQuery, and no character escaping is being performed. I'll need to carefully examine the input and the expected output to determine the correct answer.
CO
Cordelia
1 year ago
Hmm, I'm not too familiar with XQuery, but it seems like the user input is being directly inserted into the query without any input validation. That could be dangerous.
SA
Sage
1 year ago
This looks like a tricky XML injection vulnerability question. I'll need to carefully analyze the input and query to identify any potential security issues.
FR
Franklyn
1 year ago
Ah, the age-old dilemma: to sanitize or not to sanitize? That is the question. And the answer is, of course, to sanitize. Unless you're a fan of XML-flavored chaos, that is.
RO
Rosio
1 year ago
User1
VI
Vivienne
1 year ago
User2
AM
Amalia
1 year ago
User1
SO
Solange
1 year ago
I'm going with B. I mean, who wouldn't want to see the user information displayed, right? What could possibly go wrong?
JU
Julene
1 year ago
User 2
MA
Martina
1 year ago
User 1
KE
Kenny
2 years ago
D, definitely D. An error should occur when the user input is passed directly into the XQuery without any sanitization. That's a classic security flaw waiting to happen.
JO
Johnna
2 years ago
Wow, this question is really tricky! I'm going to have to think about this one carefully. The lack of character escaping is definitely a concern.
GI
Gilberto
2 years ago
I think the correct answer is C. The user input character string contains an XML tag that could be interpreted as part of the XML structure, potentially leading to a security vulnerability known as XML injection.
LA
Lauran
1 year ago
User2
RO
Royce
2 years ago
User1
SE
Selene
2 years ago
I'm not sure, but I think the correct answer is C.
YU
Yuki
2 years ago
I agree with Cristal, the query execution result should be B.
CR
Cristal
2 years ago
I think the answer is B.