diff --git a/src/applications/auth/provider/PhabricatorAsanaAuthProvider.php b/src/applications/auth/provider/PhabricatorAsanaAuthProvider.php
--- a/src/applications/auth/provider/PhabricatorAsanaAuthProvider.php
+++ b/src/applications/auth/provider/PhabricatorAsanaAuthProvider.php
@@ -59,6 +59,14 @@
       return null;
     }
 
+    if (strlen($uri->getFragment())) {
+     return null;
+    }
+
+    if ($uri->getQueryParamsAsPairList()) {
+     return null;
+    }
+
     $context_id = $matches[1];
     $task_id = $matches[2];
 
diff --git a/src/applications/auth/provider/PhabricatorJIRAAuthProvider.php b/src/applications/auth/provider/PhabricatorJIRAAuthProvider.php
--- a/src/applications/auth/provider/PhabricatorJIRAAuthProvider.php
+++ b/src/applications/auth/provider/PhabricatorJIRAAuthProvider.php
@@ -341,6 +341,14 @@
       return null;
     }
 
+    if (strlen($uri->getFragment())) {
+     return null;
+    }
+
+    if ($uri->getQueryParamsAsPairList()) {
+     return null;
+    }
+
     $domain = $matches[1];
     $issue = $matches[2];