diff --git a/frappe/__init__.py b/frappe/__init__.py
index 84a27642a9..2d491ca068 100644
--- a/frappe/__init__.py
+++ b/frappe/__init__.py
@@ -1432,6 +1432,8 @@ def get_doc_hooks():
 
 @request_cache
 def _load_app_hooks(app_name: str | None = None):
+	import types
+
 	hooks = {}
 	apps = [app_name] if app_name else get_installed_apps(sort=True)
 
@@ -1447,9 +1449,13 @@ def _load_app_hooks(app_name: str | None = None):
 			if not request:
 				raise SystemExit
 			raise
-		for key in dir(app_hooks):
+
+		def _is_valid_hook(obj):
+			return not isinstance(obj, (types.ModuleType, types.FunctionType, type))
+
+		for key, value in inspect.getmembers(app_hooks, predicate=_is_valid_hook):
 			if not key.startswith("_"):
-				append_hook(hooks, key, getattr(app_hooks, key))
+				append_hook(hooks, key, value)
 	return hooks
 
 
diff --git a/frappe/app.py b/frappe/app.py
index 0d7fdc1fe1..fc679aa44e 100644
--- a/frappe/app.py
+++ b/frappe/app.py
@@ -21,7 +21,7 @@ from frappe import _
 from frappe.auth import SAFE_HTTP_METHODS, UNSAFE_HTTP_METHODS, HTTPRequest
 from frappe.core.doctype.comment.comment import update_comments_in_parent_after_request
 from frappe.middlewares import StaticDataMiddleware
-from frappe.utils import get_site_name, sanitize_html
+from frappe.utils import cint, get_site_name, sanitize_html
 from frappe.utils.error import make_error_snapshot
 from frappe.website.serve import get_response
 
@@ -112,7 +112,7 @@ def init_request(request):
 	else:
 		frappe.connect(set_admin_as_user=False)
 
-	request.max_content_length = frappe.local.conf.get("max_file_size") or 10 * 1024 * 1024
+	request.max_content_length = cint(frappe.local.conf.get("max_file_size")) or 10 * 1024 * 1024
 
 	make_form_dict(request)
 
diff --git a/frappe/core/doctype/file/file.py b/frappe/core/doctype/file/file.py
index 0e28145c9a..0c21501589 100755
--- a/frappe/core/doctype/file/file.py
+++ b/frappe/core/doctype/file/file.py
@@ -101,8 +101,8 @@ class File(Document):
 		if not self.attached_to_doctype:
 			return
 
-		if self.attached_to_name and not isinstance(self.attached_to_name, str):
-			frappe.throw(_("Attached To Name must be a string"), TypeError)
+		if not self.attached_to_name or not isinstance(self.attached_to_name, (str, int)):
+			frappe.throw(_("Attached To Name must be a string or an integer"), frappe.ValidationError)
 
 		if not self.attached_to_field:
 			return
diff --git a/frappe/core/doctype/file/test_file.py b/frappe/core/doctype/file/test_file.py
index ed97c5683d..86bd69eb5f 100644
--- a/frappe/core/doctype/file/test_file.py
+++ b/frappe/core/doctype/file/test_file.py
@@ -85,7 +85,7 @@ class TestBase64File(FrappeTestCase):
 				"doctype": "File",
 				"file_name": "test_base64.txt",
 				"attached_to_doctype": self.attached_to_doctype,
-				"attached_to_docname": self.attached_to_docname,
+				"attached_to_name": self.attached_to_docname,
 				"content": self.test_content,
 				"decode": True,
 			}
diff --git a/frappe/desk/search.py b/frappe/desk/search.py
index b820fabd6d..4843219179 100644
--- a/frappe/desk/search.py
+++ b/frappe/desk/search.py
@@ -206,11 +206,16 @@ def search_widget(
 				)
 				order_by = f"_relevance, {order_by}"
 
-			ptype = "select" if frappe.only_has_select_perm(doctype) else "read"
 			ignore_permissions = (
 				True
 				if doctype == "DocType"
-				else (cint(ignore_user_permissions) and has_permission(doctype, ptype=ptype))
+				else (
+					cint(ignore_user_permissions)
+					and has_permission(
+						doctype,
+						ptype="select" if frappe.only_has_select_perm(doctype) else "read",
+					)
+				)
 			)
 
 			values = frappe.get_list(
diff --git a/frappe/model/db_query.py b/frappe/model/db_query.py
index 3e6b8ec753..e689f91ddd 100644
--- a/frappe/model/db_query.py
+++ b/frappe/model/db_query.py
@@ -455,10 +455,10 @@ class DatabaseQuery:
 		)
 
 	def check_read_permission(self, doctype):
-		ptype = "select" if frappe.only_has_select_perm(doctype) else "read"
-
 		if not self.flags.ignore_permissions and not frappe.has_permission(
-			doctype, ptype=ptype, parent_doctype=self.doctype
+			doctype,
+			ptype="select" if frappe.only_has_select_perm(doctype) else "read",
+			parent_doctype=self.doctype,
 		):
 			frappe.flags.error_message = _("Insufficient Permission for {0}").format(frappe.bold(doctype))
 			raise frappe.PermissionError(doctype)
diff --git a/frappe/website/doctype/discussion_reply/discussion_reply.py b/frappe/website/doctype/discussion_reply/discussion_reply.py
index 9c7821b074..5f4a8473d7 100644
--- a/frappe/website/doctype/discussion_reply/discussion_reply.py
+++ b/frappe/website/doctype/discussion_reply/discussion_reply.py
@@ -61,4 +61,6 @@ class DiscussionReply(Document):
 
 @frappe.whitelist()
 def delete_message(reply_name):
-	frappe.delete_doc("Discussion Reply", reply_name, ignore_permissions=True)
+	owner = frappe.db.get_value("Discussion Reply", reply_name, "owner")
+	if owner == frappe.session.user:
+		frappe.delete_doc("Discussion Reply", reply_name)