Add Next.js router push as XSS sink

github · Apr 8, 2023 · 7f9b855 · 7f9b855
1 parent 5ee9711
commit 7f9b855
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diff --git a/...script/ql/lib/semmle/javascript/security/dataflow/ClientSideUrlRedirectCustomizations.qll b/...script/ql/lib/semmle/javascript/security/dataflow/ClientSideUrlRedirectCustomizations.qll
@@ -231,6 +231,8 @@ module ClientSideUrlRedirect {
     NextRoutePushUrlSink() {
       this = NextJS::nextRouter().getAMemberCall(["push", "replace"]).getArgument(0)
     }
+
+    override predicate isXssSink() { any() }
   }
 
   private class SinkFromModel extends Sink {

diff --git a/javascript/ql/test/query-tests/Security/CWE-079/DomBasedXss/Xss.expected b/javascript/ql/test/query-tests/Security/CWE-079/DomBasedXss/Xss.expected
@@ -560,6 +560,20 @@ nodes
 | react-use-context.js:16:26:16:36 | window.name |
 | react-use-context.js:16:26:16:36 | window.name |
 | react-use-context.js:16:26:16:36 | window.name |
+| react-use-router.js:5:9:5:28 | router |
+| react-use-router.js:5:18:5:28 | useRouter() |
+| react-use-router.js:9:21:9:26 | router |
+| react-use-router.js:9:21:9:32 | router.query |
+| react-use-router.js:9:21:9:32 | router.query |
+| react-use-router.js:9:21:9:39 | router.query.foobar |
+| react-use-router.js:9:21:9:39 | router.query.foobar |
+| react-use-router.js:20:15:20:24 | router |
+| react-use-router.js:20:17:20:22 | router |
+| react-use-router.js:21:43:21:48 | router |
+| react-use-router.js:21:43:21:54 | router.query |
+| react-use-router.js:21:43:21:54 | router.query |
+| react-use-router.js:21:43:21:61 | router.query.foobar |
+| react-use-router.js:21:43:21:61 | router.query.foobar |
 | react-use-state.js:4:9:4:49 | state |
 | react-use-state.js:4:9:4:49 | state |
 | react-use-state.js:4:10:4:14 | state |
@@ -1700,6 +1714,22 @@ edges
 | react-native.js:7:17:7:33 | req.param("code") | react-native.js:7:7:7:33 | tainted |
 | react-use-context.js:10:22:10:32 | window.name | react-use-context.js:10:22:10:32 | window.name |
 | react-use-context.js:16:26:16:36 | window.name | react-use-context.js:16:26:16:36 | window.name |
+| react-use-router.js:5:9:5:28 | router | react-use-router.js:9:21:9:26 | router |
+| react-use-router.js:5:18:5:28 | useRouter() | react-use-router.js:5:9:5:28 | router |
+| react-use-router.js:9:21:9:26 | router | react-use-router.js:9:21:9:32 | router.query |
+| react-use-router.js:9:21:9:32 | router.query | react-use-router.js:9:21:9:39 | router.query.foobar |
+| react-use-router.js:9:21:9:32 | router.query | react-use-router.js:9:21:9:39 | router.query.foobar |
+| react-use-router.js:9:21:9:32 | router.query | react-use-router.js:9:21:9:39 | router.query.foobar |
+| react-use-router.js:9:21:9:32 | router.query | react-use-router.js:9:21:9:39 | router.query.foobar |
+| react-use-router.js:9:21:9:39 | router.query.foobar | react-use-router.js:5:18:5:28 | useRouter() |
+| react-use-router.js:20:15:20:24 | router | react-use-router.js:21:43:21:48 | router |
+| react-use-router.js:20:17:20:22 | router | react-use-router.js:20:15:20:24 | router |
+| react-use-router.js:21:43:21:48 | router | react-use-router.js:21:43:21:54 | router.query |
+| react-use-router.js:21:43:21:54 | router.query | react-use-router.js:21:43:21:61 | router.query.foobar |
+| react-use-router.js:21:43:21:54 | router.query | react-use-router.js:21:43:21:61 | router.query.foobar |
+| react-use-router.js:21:43:21:54 | router.query | react-use-router.js:21:43:21:61 | router.query.foobar |
+| react-use-router.js:21:43:21:54 | router.query | react-use-router.js:21:43:21:61 | router.query.foobar |
+| react-use-router.js:21:43:21:61 | router.query.foobar | react-use-router.js:20:17:20:22 | router |
 | react-use-state.js:4:9:4:49 | state | react-use-state.js:5:51:5:55 | state |
 | react-use-state.js:4:9:4:49 | state | react-use-state.js:5:51:5:55 | state |
 | react-use-state.js:4:9:4:49 | state | react-use-state.js:5:51:5:55 | state |
@@ -2386,6 +2416,8 @@ edges
 | react-native.js:9:27:9:33 | tainted | react-native.js:7:17:7:33 | req.param("code") | react-native.js:9:27:9:33 | tainted | Cross-site scripting vulnerability due to $@. | react-native.js:7:17:7:33 | req.param("code") | user-provided value |
 | react-use-context.js:10:22:10:32 | window.name | react-use-context.js:10:22:10:32 | window.name | react-use-context.js:10:22:10:32 | window.name | Cross-site scripting vulnerability due to $@. | react-use-context.js:10:22:10:32 | window.name | user-provided value |
 | react-use-context.js:16:26:16:36 | window.name | react-use-context.js:16:26:16:36 | window.name | react-use-context.js:16:26:16:36 | window.name | Cross-site scripting vulnerability due to $@. | react-use-context.js:16:26:16:36 | window.name | user-provided value |
+| react-use-router.js:9:21:9:39 | router.query.foobar | react-use-router.js:9:21:9:32 | router.query | react-use-router.js:9:21:9:39 | router.query.foobar | Cross-site scripting vulnerability due to $@. | react-use-router.js:9:21:9:32 | router.query | user-provided value |
+| react-use-router.js:21:43:21:61 | router.query.foobar | react-use-router.js:21:43:21:54 | router.query | react-use-router.js:21:43:21:61 | router.query.foobar | Cross-site scripting vulnerability due to $@. | react-use-router.js:21:43:21:54 | router.query | user-provided value |
 | react-use-state.js:5:51:5:55 | state | react-use-state.js:4:38:4:48 | window.name | react-use-state.js:5:51:5:55 | state | Cross-site scripting vulnerability due to $@. | react-use-state.js:4:38:4:48 | window.name | user-provided value |
 | react-use-state.js:11:51:11:55 | state | react-use-state.js:10:14:10:24 | window.name | react-use-state.js:11:51:11:55 | state | Cross-site scripting vulnerability due to $@. | react-use-state.js:10:14:10:24 | window.name | user-provided value |
 | react-use-state.js:17:51:17:55 | state | react-use-state.js:16:20:16:30 | window.name | react-use-state.js:17:51:17:55 | state | Cross-site scripting vulnerability due to $@. | react-use-state.js:16:20:16:30 | window.name | user-provided value |

diff --git a/...script/ql/test/query-tests/Security/CWE-079/DomBasedXss/XssWithAdditionalSources.expected b/...script/ql/test/query-tests/Security/CWE-079/DomBasedXss/XssWithAdditionalSources.expected
@@ -572,6 +572,20 @@ nodes
 | react-use-context.js:16:26:16:36 | window.name |
 | react-use-context.js:16:26:16:36 | window.name |
 | react-use-context.js:16:26:16:36 | window.name |
+| react-use-router.js:5:9:5:28 | router |
+| react-use-router.js:5:18:5:28 | useRouter() |
+| react-use-router.js:9:21:9:26 | router |
+| react-use-router.js:9:21:9:32 | router.query |
+| react-use-router.js:9:21:9:32 | router.query |
+| react-use-router.js:9:21:9:39 | router.query.foobar |
+| react-use-router.js:9:21:9:39 | router.query.foobar |
+| react-use-router.js:20:15:20:24 | router |
+| react-use-router.js:20:17:20:22 | router |
+| react-use-router.js:21:43:21:48 | router |
+| react-use-router.js:21:43:21:54 | router.query |
+| react-use-router.js:21:43:21:54 | router.query |
+| react-use-router.js:21:43:21:61 | router.query.foobar |
+| react-use-router.js:21:43:21:61 | router.query.foobar |
 | react-use-state.js:4:9:4:49 | state |
 | react-use-state.js:4:9:4:49 | state |
 | react-use-state.js:4:10:4:14 | state |
@@ -1762,6 +1776,22 @@ edges
 | react-native.js:7:17:7:33 | req.param("code") | react-native.js:7:7:7:33 | tainted |
 | react-use-context.js:10:22:10:32 | window.name | react-use-context.js:10:22:10:32 | window.name |
 | react-use-context.js:16:26:16:36 | window.name | react-use-context.js:16:26:16:36 | window.name |
+| react-use-router.js:5:9:5:28 | router | react-use-router.js:9:21:9:26 | router |
+| react-use-router.js:5:18:5:28 | useRouter() | react-use-router.js:5:9:5:28 | router |
+| react-use-router.js:9:21:9:26 | router | react-use-router.js:9:21:9:32 | router.query |
+| react-use-router.js:9:21:9:32 | router.query | react-use-router.js:9:21:9:39 | router.query.foobar |
+| react-use-router.js:9:21:9:32 | router.query | react-use-router.js:9:21:9:39 | router.query.foobar |
+| react-use-router.js:9:21:9:32 | router.query | react-use-router.js:9:21:9:39 | router.query.foobar |
+| react-use-router.js:9:21:9:32 | router.query | react-use-router.js:9:21:9:39 | router.query.foobar |
+| react-use-router.js:9:21:9:39 | router.query.foobar | react-use-router.js:5:18:5:28 | useRouter() |
+| react-use-router.js:20:15:20:24 | router | react-use-router.js:21:43:21:48 | router |
+| react-use-router.js:20:17:20:22 | router | react-use-router.js:20:15:20:24 | router |
+| react-use-router.js:21:43:21:48 | router | react-use-router.js:21:43:21:54 | router.query |
+| react-use-router.js:21:43:21:54 | router.query | react-use-router.js:21:43:21:61 | router.query.foobar |
+| react-use-router.js:21:43:21:54 | router.query | react-use-router.js:21:43:21:61 | router.query.foobar |
+| react-use-router.js:21:43:21:54 | router.query | react-use-router.js:21:43:21:61 | router.query.foobar |
+| react-use-router.js:21:43:21:54 | router.query | react-use-router.js:21:43:21:61 | router.query.foobar |
+| react-use-router.js:21:43:21:61 | router.query.foobar | react-use-router.js:20:17:20:22 | router |
 | react-use-state.js:4:9:4:49 | state | react-use-state.js:5:51:5:55 | state |
 | react-use-state.js:4:9:4:49 | state | react-use-state.js:5:51:5:55 | state |
 | react-use-state.js:4:9:4:49 | state | react-use-state.js:5:51:5:55 | state |

diff --git a/javascript/ql/test/query-tests/Security/CWE-079/DomBasedXss/react-use-router.js b/javascript/ql/test/query-tests/Security/CWE-079/DomBasedXss/react-use-router.js
@@ -0,0 +1,23 @@
+
+import { useRouter } from 'next/router'
+
+export function nextRouter() {
+  const router = useRouter();
+  return (
+    <div>
+      <span onClick={() => {
+        router.push(router.query.foobar) // NOT OK
+      }}>Click to XSS 1</span>
+      <span onClick={() => {
+        router.push('/?foobar=' + router.query.foobar) // OK
+      }}>Safe Link</span>
+    </div>
+  )
+}
+
+import { withRouter } from 'next/router'
+
+function Page({ router }) {
+  return <span onClick={() => router.push(router.query.foobar)}>Click to XSS 2</span> // NOT OK
+}
+export const pageWithRouter = withRouter(Page);