diff --git a/ext/artists/main.php b/ext/artists/main.php
index 30303069..ec71d447 100644
--- a/ext/artists/main.php
+++ b/ext/artists/main.php
@@ -38,8 +38,8 @@ class Artists extends Extension
     public function onImageInfoSet(ImageInfoSetEvent $event): void
     {
         global $user;
-        if ($user->can(Permissions::EDIT_IMAGE_ARTIST) && isset($_POST["tag_edit__author"])) {
-            send_event(new AuthorSetEvent($event->image, $user, $_POST["tag_edit__author"]));
+        if ($user->can(Permissions::EDIT_IMAGE_ARTIST) && isset($event->params["tag_edit__author"])) {
+            send_event(new AuthorSetEvent($event->image, $user, $event->params["tag_edit__author"]));
         }
     }
 
diff --git a/ext/favorites/main.php b/ext/favorites/main.php
index d5ad9306..459cf5a6 100644
--- a/ext/favorites/main.php
+++ b/ext/favorites/main.php
@@ -89,10 +89,10 @@ class Favorites extends Extension
         global $user;
         if (
             $user->can(Permissions::EDIT_FAVOURITES) &&
-            in_array('favorite_action', $_POST) &&
-            (($_POST['favorite_action'] == "set") || ($_POST['favorite_action'] == "unset"))
+            in_array('favorite_action', $event->params) &&
+            (($event->params['favorite_action'] == "set") || ($event->params['favorite_action'] == "unset"))
         ) {
-            send_event(new FavoriteSetEvent($event->image->id, $user, ($_POST['favorite_action'] == "set")));
+            send_event(new FavoriteSetEvent($event->image->id, $user, ($event->params['favorite_action'] == "set")));
         }
     }
 
diff --git a/ext/graphql/main.php b/ext/graphql/main.php
index 48de5587..c42162db 100644
--- a/ext/graphql/main.php
+++ b/ext/graphql/main.php
@@ -33,7 +33,7 @@ class MetadataInput
         $_POST['tag_edit__source'] = $metadata->source;
         $image = Image::by_id($post_id);
         if (!$image->is_locked() || $user->can(Permissions::EDIT_IMAGE_LOCK)) {
-            send_event(new ImageInfoSetEvent($image));
+            send_event(new ImageInfoSetEvent($image, $_POST));
         }
         return Image::by_id($post_id);
     }
diff --git a/ext/post_titles/main.php b/ext/post_titles/main.php
index d8a66fc3..ca84b401 100644
--- a/ext/post_titles/main.php
+++ b/ext/post_titles/main.php
@@ -56,9 +56,8 @@ class PostTitles extends Extension
     {
         global $user;
 
-        if ($user->can(Permissions::EDIT_IMAGE_TITLE) && isset($_POST["post_title"])) {
-            $title = $_POST["post_title"];
-            send_event(new PostTitleSetEvent($event->image, $title));
+        if ($user->can(Permissions::EDIT_IMAGE_TITLE) && isset($event->params["post_title"])) {
+            send_event(new PostTitleSetEvent($event->image, $event->params["post_title"]));
         }
     }
 
diff --git a/ext/rating/main.php b/ext/rating/main.php
index 62ccb512..41ece5b4 100644
--- a/ext/rating/main.php
+++ b/ext/rating/main.php
@@ -216,8 +216,8 @@ class Ratings extends Extension
     public function onImageInfoSet(ImageInfoSetEvent $event): void
     {
         global $user;
-        if ($user->can(Permissions::EDIT_IMAGE_RATING) && isset($_POST["rating"])) {
-            $rating = $_POST["rating"];
+        if ($user->can(Permissions::EDIT_IMAGE_RATING) && isset($event->params["rating"])) {
+            $rating = $event->params["rating"];
             if (Ratings::rating_is_valid($rating)) {
                 send_event(new RatingSetEvent($event->image, $rating));
             }
diff --git a/ext/relationships/main.php b/ext/relationships/main.php
index fd12a064..eec11679 100644
--- a/ext/relationships/main.php
+++ b/ext/relationships/main.php
@@ -56,9 +56,9 @@ class Relationships extends Extension
     {
         global $user;
         if ($user->can(Permissions::EDIT_IMAGE_RELATIONSHIPS)) {
-            if (isset($_POST['tag_edit__tags']) ? !preg_match('/parent[=|:]/', $_POST["tag_edit__tags"]) : true) { //Ignore tag_edit__parent if tags contain parent metatag
-                if (isset($_POST["tag_edit__parent"]) ? ctype_digit($_POST["tag_edit__parent"]) : false) {
-                    send_event(new ImageRelationshipSetEvent($event->image->id, (int) $_POST["tag_edit__parent"]));
+            if (isset($event->params['tag_edit__tags']) ? !preg_match('/parent[=|:]/', $event->params["tag_edit__tags"]) : true) { //Ignore tag_edit__parent if tags contain parent metatag
+                if (isset($event->params["tag_edit__parent"]) ? ctype_digit($event->params["tag_edit__parent"]) : false) {
+                    send_event(new ImageRelationshipSetEvent($event->image->id, (int) $event->params["tag_edit__parent"]));
                 } else {
                     $this->remove_parent($event->image->id);
                 }
diff --git a/ext/tag_edit/main.php b/ext/tag_edit/main.php
index caba7468..02692636 100644
--- a/ext/tag_edit/main.php
+++ b/ext/tag_edit/main.php
@@ -205,17 +205,17 @@ class TagEdit extends Extension
     public function onImageInfoSet(ImageInfoSetEvent $event): void
     {
         global $page, $user;
-        if ($user->can(Permissions::EDIT_IMAGE_OWNER) && isset($_POST['tag_edit__owner'])) {
-            $owner = User::by_name($_POST['tag_edit__owner']);
+        if ($user->can(Permissions::EDIT_IMAGE_OWNER) && isset($event->params['tag_edit__owner'])) {
+            $owner = User::by_name($event->params['tag_edit__owner']);
             if ($owner instanceof User) {
                 send_event(new OwnerSetEvent($event->image, $owner));
             } else {
                 throw new NullUserException("Error: No user with that name was found.");
             }
         }
-        if ($user->can(Permissions::EDIT_IMAGE_TAG) && isset($_POST['tag_edit__tags'])) {
+        if ($user->can(Permissions::EDIT_IMAGE_TAG) && isset($event->params['tag_edit__tags'])) {
             try {
-                send_event(new TagSetEvent($event->image, Tag::explode($_POST['tag_edit__tags'])));
+                send_event(new TagSetEvent($event->image, Tag::explode($event->params['tag_edit__tags'])));
             } catch (TagSetException $e) {
                 if ($e->redirect) {
                     $page->flash("{$e->getMessage()}, please see {$e->redirect}");
@@ -224,13 +224,13 @@ class TagEdit extends Extension
                 }
             }
         }
-        if ($user->can(Permissions::EDIT_IMAGE_SOURCE) && isset($_POST['tag_edit__source'])) {
-            if (isset($_POST['tag_edit__tags']) ? !preg_match('/source[=|:]/', $_POST["tag_edit__tags"]) : true) {
-                send_event(new SourceSetEvent($event->image, $_POST['tag_edit__source']));
+        if ($user->can(Permissions::EDIT_IMAGE_SOURCE) && isset($event->params['tag_edit__source'])) {
+            if (isset($event->params['tag_edit__tags']) ? !preg_match('/source[=|:]/', $event->params["tag_edit__tags"]) : true) {
+                send_event(new SourceSetEvent($event->image, $event->params['tag_edit__source']));
             }
         }
         if ($user->can(Permissions::EDIT_IMAGE_LOCK)) {
-            $locked = isset($_POST['tag_edit__locked']) && $_POST['tag_edit__locked'] == "on";
+            $locked = isset($event->params['tag_edit__locked']) && $event->params['tag_edit__locked'] == "on";
             send_event(new LockSetEvent($event->image, $locked));
         }
     }
diff --git a/ext/view/events/image_info_set_event.php b/ext/view/events/image_info_set_event.php
index 0602804d..d90982af 100644
--- a/ext/view/events/image_info_set_event.php
+++ b/ext/view/events/image_info_set_event.php
@@ -7,10 +7,16 @@ namespace Shimmie2;
 class ImageInfoSetEvent extends Event
 {
     public Image $image;
+    /** @var array<string, mixed> */
+    public array $params;
 
-    public function __construct(Image $image)
+    /**
+     * @param array<string, mixed> $params
+     */
+    public function __construct(Image $image, array $params)
     {
         parent::__construct();
         $this->image = $image;
+        $this->params = $params;
     }
 }
diff --git a/ext/view/main.php b/ext/view/main.php
index c6e8a531..63ccf3dc 100644
--- a/ext/view/main.php
+++ b/ext/view/main.php
@@ -80,7 +80,7 @@ class ViewPost extends Extension
             $image_id = int_escape($_POST['image_id']);
             $image = Image::by_id($image_id);
             if (!$image->is_locked() || $user->can(Permissions::EDIT_IMAGE_LOCK)) {
-                send_event(new ImageInfoSetEvent($image));
+                send_event(new ImageInfoSetEvent($image, $_POST));
                 $page->set_mode(PageMode::REDIRECT);
 
                 if ($event->get_GET('search')) {