$ cat writeup.md…
$ cat writeup.md…
hackadvisor
Task: Flask analytics dashboard (PulseBoard) with custom widget builder accepting Jinja2 template code; no sandboxing applied. Solution: inject {{7*7}} to confirm SSTI, escalate via lipsum.__globals__['os'].popen() for RCE, read /root/flag.txt.
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$sign in$ grep --similar