diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/serials-toolbar.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/serials-toolbar.inc
index 85811729dd..7757a9af70 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/serials-toolbar.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/serials-toolbar.inc
@@ -40,7 +40,12 @@
 
                             [% IF ( CAN_user_serials_delete_subscription ) %]
                                 <li>
-                                    <a href="#" id="deletesub">Delete subscription</a>
+                                    <form action="subscription-detail.pl" method="post">
+                                        [% INCLUDE 'csrf-token.inc' %]
+                                        <input type="hidden" name="op" value="cud-del" />
+                                        <input type="hidden" name="subscriptionid" value="[% subscriptionid | html %]" />
+                                        <button type="submit" class="btn btn-default" id="deletesub">Delete subscription</button>
+                                    </form>
                                 </li>
                             [% END %]
                         </ul>
@@ -57,9 +62,23 @@
             [% END %]
             [% UNLESS cannotedit %]
                 [% IF closed %]
-                    <div class="btn-group"><a id="reopen" class="btn btn-default" href="#"><i class="fa-solid fa-arrow-rotate-right"></i> Reopen</a></div>
+                    <div class="btn-group">
+                        <form action="subscription-detail.pl" method="post">
+                            [% INCLUDE 'csrf-token.inc' %]
+                            <input type="hidden" name="op" value="cud-reopen" />
+                            <input type="hidden" name="subscriptionid" value="[% subscriptionid | html %]" />
+                            <button type="submit" class="btn btn-default" id="reopen"><i class="fa-solid fa-arrow-rotate-right"></i> Reopen</button>
+                        </form>
+                    </div>
                 [% ELSE %]
-                    <div class="btn-group"><a id="close" class="btn btn-default" href="#"><i class="fa fa-times-circle"></i> Close</a></div>
+                    <div class="btn-group">
+                        <form action="subscription-detail.pl" method="post">
+                            [% INCLUDE 'csrf-token.inc' %]
+                            <input type="hidden" name="op" value="cud-close" />
+                            <input type="hidden" name="subscriptionid" value="[% subscriptionid | html %]" />
+                            <button type="submit" class="btn btn-default" id="close"><i class="fa fa-times-circle"></i> Close</button>
+                        </form>
+                    </div>
                 [% END %]
             [% END %]
         [% END %]
diff --git a/koha-tmpl/intranet-tmpl/prog/js/serials-toolbar.js b/koha-tmpl/intranet-tmpl/prog/js/serials-toolbar.js
index e68173d950..1c4bb69538 100644
--- a/koha-tmpl/intranet-tmpl/prog/js/serials-toolbar.js
+++ b/koha-tmpl/intranet-tmpl/prog/js/serials-toolbar.js
@@ -1,40 +1,18 @@
-/* global subscriptionid */
+/* global subscriptionid __ */
 
-function confirm_close() {
-    var is_confirmed = confirm( __("Are you sure you want to close this subscription?") );
-    if (is_confirmed) {
-        window.location="subscription-detail.pl?subscriptionid=" + subscriptionid + "&op=close";
-    }
-}
-function confirm_reopen() {
-    var is_confirmed = confirm( __("Are you sure you want to reopen this subscription?") );
-    if (is_confirmed) {
-        window.location="subscription-detail.pl?subscriptionid=" + subscriptionid + "&op=reopen";
-    }
-}
-
-function confirm_deletion() {
-    var is_confirmed = confirm( __("Are you sure you want to delete this subscription?") );
-    if (is_confirmed) {
-        window.location="subscription-detail.pl?subscriptionid=" + subscriptionid + "&op=del";
-    }
-}
 function popup(subscriptionid) {
     newin=window.open("subscription-renew.pl?mode=popup&subscriptionid="+subscriptionid,'popup','width=590,height=440,toolbar=false,scrollbars=yes');
 }
 
  $(document).ready(function() {
-    $("#deletesub").click(function(){
-        confirm_deletion();
-        return false;
+    $("#deletesub").on("click", function(){
+        return confirm( __("Are you sure you want to delete this subscription?") );
     });
     $("#reopen").click(function(){
-        confirm_reopen();
-        return false;
+        return confirm( __("Are you sure you want to reopen this subscription?") );
     });
-    $("#close").click(function(){
-        confirm_close();
-        return false;
+    $("#close").on("click", function(){
+        return confirm( __("Are you sure you want to close this subscription?") );
     });
     $("#renew").click(function(){
         popup( subscriptionid );
diff --git a/serials/subscription-bib-search.pl b/serials/subscription-bib-search.pl
index 1f2b46b3f8..c0f38193a6 100755
--- a/serials/subscription-bib-search.pl
+++ b/serials/subscription-bib-search.pl
@@ -74,7 +74,7 @@ my $itype_or_itemtype =
 my $query = $input->param('q');
 
 # don't run the search if no search term !
-if ( $op eq "cud-do_search" && $query ) {
+if ( $op eq "do_search" && $query ) {
 
     ( $template, $loggedinuser, $cookie ) = get_template_and_user(
         {
diff --git a/serials/subscription-detail.pl b/serials/subscription-detail.pl
index fbb4f8bbbb..cafc994088 100755
--- a/serials/subscription-detail.pl
+++ b/serials/subscription-detail.pl
@@ -40,9 +40,9 @@ my $dbh            = C4::Context->dbh;
 my $subscriptionid = $query->param('subscriptionid');
 my $subscription = Koha::Subscriptions->find( $subscriptionid );
 
-if ( $op and $op eq "close" ) {
+if ( $op and $op eq "cud-close" ) {
     C4::Serials::CloseSubscription( $subscriptionid );
-} elsif ( $op and $op eq "reopen" ) {
+} elsif ( $op and $op eq "cud-reopen" ) {
     C4::Serials::ReopenSubscription( $subscriptionid );
 }