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Merged
jonchurch merged 2 commits into from
Dec 1, 2025
+9 −91
Merged

Release: 5.2.1 #6933

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ebd3876
Revert "sec: security patch for CVE-2024-51999"
UlisesGascon Dec 1, 2025
49ea750
5.2.1
UlisesGascon Dec 1, 2025
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Revert "sec: security patch for CVE-2024-51999" 
This reverts commit 2f64f68.
  • Loading branch information
@UlisesGascon
UlisesGascon committed Dec 1, 2025
commit ebd3876588a7fd41d9f16dd36348bbadf1615a05
2 changes: 1 addition & 1 deletion lib/utils.js
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Original file line number Diff line number Diff line change
Expand Up @@ -266,6 +266,6 @@ function createETagGenerator (options) {

function parseExtendedQueryString(str) {
return qs.parse(str, {
plainObjects: true
allowPrototypes: true
});
}
91 changes: 2 additions & 89 deletions test/req.query.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,6 @@
var assert = require('node:assert')
var express = require('../')
, request = require('supertest');
var qs = require('qs');

describe('req', function(){
describe('.query', function(){
Expand Down Expand Up @@ -39,22 +38,6 @@ describe('req', function(){
.get('/?user.name=tj')
.expect(200, '{"user.name":"tj"}', done);
});

it('should not be able to access object prototype properties', function (done) {
var app = createApp('extended', true);

request(app)
.get('/?foo=yee')
.expect(200, /TypeError: req\.query\.hasOwnProperty is not a function/, done);
});

it('should be able to use object prototype property names as keys', function (done) {
var app = createApp('extended', true);

request(app)
.get('/?hasOwnProperty=yee')
.expect(200, '{"query":{"hasOwnProperty":"yee"},"error":"TypeError: req.query.hasOwnProperty is not a function"}', done);
});
});

describe('when "query parser" is simple', function () {
Expand All @@ -65,22 +48,6 @@ describe('req', function(){
.get('/?user%5Bname%5D=tj')
.expect(200, '{"user[name]":"tj"}', done);
});

it('should not be able to access object prototype properties', function (done) {
var app = createApp('simple', true);

request(app)
.get('/?foo=yee')
.expect(200, /TypeError: req\.query\.hasOwnProperty is not a function/, done);
});

it('should be able to use object prototype property names as keys', function (done) {
var app = createApp('simple', true);

request(app)
.get('/?hasOwnProperty=yee')
.expect(200, '{"query":{"hasOwnProperty":"yee"},"error":"TypeError: req.query.hasOwnProperty is not a function"}', done);
});
});

describe('when "query parser" is a function', function () {
Expand All @@ -93,18 +60,6 @@ describe('req', function(){
.get('/?user%5Bname%5D=tj')
.expect(200, '{"length":17}', done);
});

// test exists to verify behavior for folks wishing to workaround our qs defaults
it('should drop object prototype property names and be able to access object prototype properties', function (done) {
var app = createApp(
function (str) {
return qs.parse(str)
}, true);

request(app)
.get('/?hasOwnProperty=biscuits')
.expect(200, '{"query":{},"hasOwnProperty":false}', done);
});
});

describe('when "query parser" disabled', function () {
Expand All @@ -115,22 +70,6 @@ describe('req', function(){
.get('/?user%5Bname%5D=tj')
.expect(200, '{}', done);
});

it('should not be able to access object prototype properties', function (done) {
var app = createApp('extended', true);

request(app)
.get('/?foo=yee')
.expect(200, /TypeError: req\.query\.hasOwnProperty is not a function/, done);
});

it('should be able to use object prototype property names as keys', function (done) {
var app = createApp('extended', true);

request(app)
.get('/?hasOwnProperty=yee')
.expect(200, '{"query":{"hasOwnProperty":"yee"},"error":"TypeError: req.query.hasOwnProperty is not a function"}', done);
});
});

describe('when "query parser" enabled', function () {
Expand All @@ -141,22 +80,6 @@ describe('req', function(){
.get('/?user%5Bname%5D=tj')
.expect(200, '{"user[name]":"tj"}', done);
});

it('should not be able to access object prototype properties', function (done) {
var app = createApp('extended', true);

request(app)
.get('/?foo=yee')
.expect(200, /TypeError: req\.query\.hasOwnProperty is not a function/, done);
});

it('should be able to use object prototype property names as keys', function (done) {
var app = createApp('extended', true);

request(app)
.get('/?hasOwnProperty=yee')
.expect(200, '{"query":{"hasOwnProperty":"yee"},"error":"TypeError: req.query.hasOwnProperty is not a function"}', done);
});
});

describe('when "query parser" an unknown value', function () {
Expand All @@ -168,25 +91,15 @@ describe('req', function(){
})
})

function createApp(setting, isPrototypePropertyTest) {
function createApp(setting) {
var app = express();

if (setting !== undefined) {
app.set('query parser', setting);
}

app.use(function (req, res) {
if(isPrototypePropertyTest) {
try {
var hasOwnProperty = req.query.hasOwnProperty('✨ express ✨');
res.send({ query: req.query, hasOwnProperty: hasOwnProperty });
} catch (error) {
res.send({ query: req.query, error: error.toString() });
}
}
else {
res.send(req.query);
}
res.send(req.query);
});

return app;
Expand Down