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fix(server): catch invalid URL in HTTP handler to prevent XSS-probe crashes

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new URL() throws ERR_INVALID_URL on malformed inputs like XSS probe
requests (e.g. //brusEYkk%22%3E%3Cscript%3E...). Uncaught exception
caused memory leak and process restarts. Return HTTP 400 instead.
This commit is contained in:
Rene Fichtmueller 2026-03-28 22:28:21 +08:00
parent 98b5cb1843
commit f8578a2176
1 changed files with 8 additions and 2 deletions
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10
server.js
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@ -967,8 +967,14 @@ const server = http.createServer(async (req, res) => {
return res.end();
}
const url = new URL(req.url, "http://localhost");
const reqPath = url.pathname;
let url, reqPath;
try {
url = new URL(req.url, "http://localhost");
reqPath = url.pathname;
} catch (_urlErr) {
res.writeHead(400);
return res.end("Bad Request");
}
// Serve static files
if (reqPath === "/" || reqPath === "/index.html") {