diff --git a/SQL/populate_key_2018-07-09.py b/SQL/populate_key_2018-07-09.py
index 82e7a3f4af0..58e6f9ff284 100644
--- a/SQL/populate_key_2018-07-09.py
+++ b/SQL/populate_key_2018-07-09.py
@@ -78,7 +78,7 @@ for current_ckey in ckey_list:
         else:
             print(msg)
             continue
-    cursor.execute("UPDATE {0} SET byond_key = \'{1}\' WHERE ckey = \'{2}\'".format(player_table, key, current_ckey[0]))
+    cursor.execute("UPDATE {0} SET byond_key = %s WHERE ckey = %s".format(player_table), (key, current_ckey[0]))
     db.commit()
 end_time = datetime.now()
 print("Script completed at {0} with duration {1}".format(datetime.now().strftime("%Y-%m-%d %H:%M:%S"), end_time - start_time))
diff --git a/code/modules/admin/DB_ban/functions.dm b/code/modules/admin/DB_ban/functions.dm
index ceabbb07342..cf5c1d26063 100644
--- a/code/modules/admin/DB_ban/functions.dm
+++ b/code/modules/admin/DB_ban/functions.dm
@@ -80,8 +80,8 @@
 	var/client/banned_client = banned_mob?.client
 	var/banned_mob_guest_key = had_banned_mob && IsGuestKey(banned_mob.key)
 	banned_mob = null
-
-	var/datum/DBQuery/query_add_ban_get_ckey = SSdbcore.NewQuery("SELECT 1 FROM [format_table_name("player")] WHERE ckey = '[ckey]'")
+	var/sql_ckey = sanitizeSQL(ckey)
+	var/datum/DBQuery/query_add_ban_get_ckey = SSdbcore.NewQuery("SELECT 1 FROM [format_table_name("player")] WHERE ckey = '[sql_ckey]'")
 	if(!query_add_ban_get_ckey.warn_execute())
 		qdel(query_add_ban_get_ckey)
 		return
@@ -123,9 +123,9 @@
 			adminwho += ", [C]"
 
 	reason = sanitizeSQL(reason)
-
+	var/sql_a_ckey = sanitizeSQL(a_ckey)
 	if(maxadminbancheck)
-		var/datum/DBQuery/query_check_adminban_amt = SSdbcore.NewQuery("SELECT count(id) AS num FROM [format_table_name("ban")] WHERE (a_ckey = '[a_ckey]') AND (bantype = 'ADMIN_PERMABAN'  OR (bantype = 'ADMIN_TEMPBAN' AND expiration_time > Now())) AND isnull(unbanned)")
+		var/datum/DBQuery/query_check_adminban_amt = SSdbcore.NewQuery("SELECT count(id) AS num FROM [format_table_name("ban")] WHERE (a_ckey = '[sql_a_ckey]') AND (bantype = 'ADMIN_PERMABAN'  OR (bantype = 'ADMIN_TEMPBAN' AND expiration_time > Now())) AND isnull(unbanned)")
 		if(!query_check_adminban_amt.warn_execute())
 			qdel(query_check_adminban_amt)
 			return
@@ -143,7 +143,12 @@
 		computerid = "0"
 	if(!ip)
 		ip = "0.0.0.0"
-	var/sql = "INSERT INTO [format_table_name("ban")] (`bantime`,`server_ip`,`server_port`,`round_id`,`bantype`,`reason`,`job`,`duration`,`expiration_time`,`ckey`,`computerid`,`ip`,`a_ckey`,`a_computerid`,`a_ip`,`who`,`adminwho`) VALUES (Now(), INET_ATON(IF('[world.internet_address]' LIKE '', '0', '[world.internet_address]')), '[world.port]', '[GLOB.round_id]', '[bantype_str]', '[reason]', '[job]', [(duration)?"[duration]":"0"], Now() + INTERVAL [(duration>0) ? duration : 0] MINUTE, '[ckey]', '[computerid]', INET_ATON('[ip]'), '[a_ckey]', '[a_computerid]', INET_ATON('[a_ip]'), '[who]', '[adminwho]')"
+	var/sql_job = sanitizeSQL(job)
+	var/sql_computerid = sanitizeSQL(computerid)
+	var/sql_ip = sanitizeSQL(ip)
+	var/sql_a_computerid = sanitizeSQL(a_computerid)
+	var/sql_a_ip = sanitizeSQL(a_ip)
+	var/sql = "INSERT INTO [format_table_name("ban")] (`bantime`,`server_ip`,`server_port`,`round_id`,`bantype`,`reason`,`job`,`duration`,`expiration_time`,`ckey`,`computerid`,`ip`,`a_ckey`,`a_computerid`,`a_ip`,`who`,`adminwho`) VALUES (Now(), INET_ATON(IF('[world.internet_address]' LIKE '', '0', '[world.internet_address]')), '[world.port]', '[GLOB.round_id]', '[bantype_str]', '[reason]', '[sql_job]', [(duration)?"[duration]":"0"], Now() + INTERVAL [(duration>0) ? duration : 0] MINUTE, '[sql_ckey]', '[sql_computerid]', INET_ATON('[sql_ip]'), '[sql_a_ckey]', '[sql_a_computerid]', INET_ATON('[sql_a_ip]'), '[who]', '[adminwho]')"
 	var/datum/DBQuery/query_add_ban = SSdbcore.NewQuery(sql)
 	if(!query_add_ban.warn_execute())
 		qdel(query_add_ban)
@@ -207,10 +212,11 @@
 		bantype_sql = "(bantype = 'JOB_PERMABAN' OR (bantype = 'JOB_TEMPBAN' AND expiration_time > Now() ) )"
 	else
 		bantype_sql = "bantype = '[bantype_str]'"
-
-	var/sql = "SELECT id FROM [format_table_name("ban")] WHERE ckey = '[ckey]' AND [bantype_sql] AND (unbanned is null OR unbanned = false)"
+	var/sql_ckey = sanitizeSQL(ckey)
+	var/sql = "SELECT id FROM [format_table_name("ban")] WHERE ckey = '[sql_ckey]' AND [bantype_sql] AND (unbanned is null OR unbanned = false)"
 	if(job)
-		sql += " AND job = '[job]'"
+		var/sql_job = sanitizeSQL(job)
+		sql += " AND job = '[sql_job]'"
 
 	if(!SSdbcore.Connect())
 		return
diff --git a/code/modules/mob/dead/new_player/new_player.dm b/code/modules/mob/dead/new_player/new_player.dm
index 88bfea9e2d3..76c3282e9cd 100644
--- a/code/modules/mob/dead/new_player/new_player.dm
+++ b/code/modules/mob/dead/new_player/new_player.dm
@@ -53,7 +53,7 @@
 			var/isadmin = 0
 			if(src.client && src.client.holder)
 				isadmin = 1
-			var/datum/DBQuery/query_get_new_polls = SSdbcore.NewQuery("SELECT id FROM [format_table_name("poll_question")] WHERE [(isadmin ? "" : "adminonly = false AND")] Now() BETWEEN starttime AND endtime AND id NOT IN (SELECT pollid FROM [format_table_name("poll_vote")] WHERE ckey = \"[ckey]\") AND id NOT IN (SELECT pollid FROM [format_table_name("poll_textreply")] WHERE ckey = \"[ckey]\")")
+			var/datum/DBQuery/query_get_new_polls = SSdbcore.NewQuery("SELECT id FROM [format_table_name("poll_question")] WHERE [(isadmin ? "" : "adminonly = false AND")] Now() BETWEEN starttime AND endtime AND id NOT IN (SELECT pollid FROM [format_table_name("poll_vote")] WHERE ckey = \"[sanitizeSQL(ckey)]\") AND id NOT IN (SELECT pollid FROM [format_table_name("poll_textreply")] WHERE ckey = \"[sanitizeSQL(ckey)]\")")
 			var/rs = REF(src)
 			if(query_get_new_polls.Execute())
 				var/newpoll = 0