GHSA-3VFR-4GWF-QXFP Whistle vulnerable to path traversal

This bug was found by nova, which is an automated tool from group of Song Wu, intern, Zhejiang University; BoWang, independent researcher; Xingwei Lin, Zhejiang University. Vulnerability detail: In service.js, inside app.get'/cgi-bin/temp/get', ...: var filename = req.query.filename; if...