diff --git a/rules/S1441/javascript/metadata.json b/rules/S1441/javascript/metadata.json
index bba5a88100..d2f11a4099 100644
--- a/rules/S1441/javascript/metadata.json
+++ b/rules/S1441/javascript/metadata.json
@@ -13,7 +13,7 @@
       "SingleQuote"
     ]
   },
-  "defaultSeverity": "Minor",
+  "defaultSeverity": "Major",
   "ruleSpecification": "RSPEC-1441",
   "sqKey": "S1441",
   "scope": "Main",
diff --git a/rules/S2310/javascript/metadata.json b/rules/S2310/javascript/metadata.json
index 47f6f7be86..860ba7158f 100644
--- a/rules/S2310/javascript/metadata.json
+++ b/rules/S2310/javascript/metadata.json
@@ -17,7 +17,7 @@
 
     ]
   },
-  "defaultSeverity": "Critical",
+  "defaultSeverity": "Major",
   "ruleSpecification": "RSPEC-2310",
   "sqKey": "S2310",
   "scope": "Main",
diff --git a/rules/S3523/javascript/metadata.json b/rules/S3523/javascript/metadata.json
index b112be380c..ca6e2bd6eb 100644
--- a/rules/S3523/javascript/metadata.json
+++ b/rules/S3523/javascript/metadata.json
@@ -17,7 +17,7 @@
 
     ]
   },
-  "defaultSeverity": "Critical",
+  "defaultSeverity": "Major",
   "ruleSpecification": "RSPEC-3523",
   "sqKey": "S3523",
   "scope": "Main",
diff --git a/rules/S3723/metadata.json b/rules/S3723/metadata.json
index e47b8d9ba7..ed41a9028b 100644
--- a/rules/S3723/metadata.json
+++ b/rules/S3723/metadata.json
@@ -17,7 +17,7 @@
 
     ]
   },
-  "defaultSeverity": "Minor",
+  "defaultSeverity": "Major",
   "ruleSpecification": "RSPEC-3723",
   "sqKey": "S3723",
   "scope": "All",
diff --git a/rules/S6661/javascript/metadata.json b/rules/S6661/javascript/metadata.json
index b76f8bef6c..30c79978b8 100644
--- a/rules/S6661/javascript/metadata.json
+++ b/rules/S6661/javascript/metadata.json
@@ -9,7 +9,7 @@
   "tags": [
     "es2018"
   ],
-  "defaultSeverity": "Minor",
+  "defaultSeverity": "Major",
   "ruleSpecification": "RSPEC-6661",
   "sqKey": "S6661",
   "scope": "All",
diff --git a/rules/S6666/javascript/metadata.json b/rules/S6666/javascript/metadata.json
index b9fb97634b..98450ac6ff 100644
--- a/rules/S6666/javascript/metadata.json
+++ b/rules/S6666/javascript/metadata.json
@@ -8,7 +8,7 @@
   },
   "tags": [
   ],
-  "defaultSeverity": "Minor",
+  "defaultSeverity": "Major",
   "ruleSpecification": "RSPEC-6666",
   "sqKey": "S6666",
   "scope": "All",
diff --git a/rules/S6671/javascript/metadata.json b/rules/S6671/javascript/metadata.json
index 6042a90492..3e9d52e860 100644
--- a/rules/S6671/javascript/metadata.json
+++ b/rules/S6671/javascript/metadata.json
@@ -8,7 +8,7 @@
   },
   "tags": [
   ],
-  "defaultSeverity": "Minor",
+  "defaultSeverity": "Major",
   "ruleSpecification": "RSPEC-6671",
   "sqKey": "S6671",
   "scope": "All",
diff --git a/rules/S6676/javascript/metadata.json b/rules/S6676/javascript/metadata.json
index 2a28cdfdfb..9d73259057 100644
--- a/rules/S6676/javascript/metadata.json
+++ b/rules/S6676/javascript/metadata.json
@@ -8,7 +8,7 @@
   },
   "tags": [
   ],
-  "defaultSeverity": "Minor",
+  "defaultSeverity": "Major",
   "ruleSpecification": "RSPEC-6676",
   "sqKey": "S6676",
   "scope": "All",
diff --git a/rules/S6679/javascript/metadata.json b/rules/S6679/javascript/metadata.json
index 5b3db685da..b997ae23b7 100644
--- a/rules/S6679/javascript/metadata.json
+++ b/rules/S6679/javascript/metadata.json
@@ -8,7 +8,7 @@
   },
   "tags": [
   ],
-  "defaultSeverity": "Minor",
+  "defaultSeverity": "Major",
   "ruleSpecification": "RSPEC-6679",
   "sqKey": "S6679",
   "scope": "All",
diff --git a/rules/S6749/javascript/metadata.json b/rules/S6749/javascript/metadata.json
index 4dc1b5235a..006e4ec432 100644
--- a/rules/S6749/javascript/metadata.json
+++ b/rules/S6749/javascript/metadata.json
@@ -9,7 +9,7 @@
   "tags": [
     "react"
   ],
-  "defaultSeverity": "Major",
+  "defaultSeverity": "Minor",
   "ruleSpecification": "RSPEC-6749",
   "sqKey": "S6749",
   "scope": "All",
diff --git a/rules/S6754/javascript/metadata.json b/rules/S6754/javascript/metadata.json
index 5a5db9f9dd..5edcb13229 100644
--- a/rules/S6754/javascript/metadata.json
+++ b/rules/S6754/javascript/metadata.json
@@ -8,7 +8,7 @@
   },
   "tags": [
   ],
-  "defaultSeverity": "Major",
+  "defaultSeverity": "Minor",
   "ruleSpecification": "RSPEC-6754",
   "sqKey": "S6754",
   "scope": "All",
diff --git a/rules/S6759/javascript/metadata.json b/rules/S6759/javascript/metadata.json
index 0e4f40df30..61c6fd74ad 100644
--- a/rules/S6759/javascript/metadata.json
+++ b/rules/S6759/javascript/metadata.json
@@ -10,7 +10,7 @@
     "react",
     "type-dependent"
   ],
-  "defaultSeverity": "Major",
+  "defaultSeverity": "Minor",
   "ruleSpecification": "RSPEC-6759",
   "sqKey": "S6759",
   "scope": "All",
diff --git a/rules/S6767/javascript/metadata.json b/rules/S6767/javascript/metadata.json
index d98c2561bd..d9abd67c03 100644
--- a/rules/S6767/javascript/metadata.json
+++ b/rules/S6767/javascript/metadata.json
@@ -9,7 +9,7 @@
   "tags": [
     "react"
   ],
-  "defaultSeverity": "Major",
+  "defaultSeverity": "Minor",
   "ruleSpecification": "RSPEC-6767",
   "sqKey": "S6767",
   "scope": "All",
diff --git a/rules/S6770/javascript/metadata.json b/rules/S6770/javascript/metadata.json
index 4a79740f6a..888c18c543 100644
--- a/rules/S6770/javascript/metadata.json
+++ b/rules/S6770/javascript/metadata.json
@@ -9,7 +9,7 @@
   "tags": [
     "react"
   ],
-  "defaultSeverity": "Major",
+  "defaultSeverity": "Minor",
   "ruleSpecification": "RSPEC-6770",
   "sqKey": "S6770",
   "scope": "All",
diff --git a/rules/S6775/javascript/metadata.json b/rules/S6775/javascript/metadata.json
index dda8e387ca..c4c7e768c9 100644
--- a/rules/S6775/javascript/metadata.json
+++ b/rules/S6775/javascript/metadata.json
@@ -9,7 +9,7 @@
   "tags": [
     "react"
   ],
-  "defaultSeverity": "Major",
+  "defaultSeverity": "Minor",
   "ruleSpecification": "RSPEC-6775",
   "sqKey": "S6775",
   "scope": "All",
diff --git a/rules/S6836/javascript/metadata.json b/rules/S6836/javascript/metadata.json
index 2b6860eb57..5fbdcab736 100644
--- a/rules/S6836/javascript/metadata.json
+++ b/rules/S6836/javascript/metadata.json
@@ -8,7 +8,7 @@
   },
   "tags": [
   ],
-  "defaultSeverity": "Minor",
+  "defaultSeverity": "Major",
   "ruleSpecification": "RSPEC-6836",
   "sqKey": "S6836",
   "scope": "All",
diff --git a/rules/S6849/javascript/metadata.json b/rules/S6849/javascript/metadata.json
index 5addc8ff6f..704a90b472 100644
--- a/rules/S6849/javascript/metadata.json
+++ b/rules/S6849/javascript/metadata.json
@@ -18,7 +18,7 @@
 
     ]
   },
-  "defaultSeverity": "Minor",
+  "defaultSeverity": "Major",
   "ruleSpecification": "RSPEC-6849",
   "sqKey": "S6849",
   "scope": "All",