blob: f36949bf0f7ed68664b3c12624e5c31805e9e6ec (
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diff --git a/tree.php b/tree.php
index 82416e5..9eb84b0 100644
--- a/tree.php
+++ b/tree.php
@@ -152,6 +152,7 @@ function item_edit() {
/* ================= input validation ================= */
input_validate_input_number(get_request_var("id"));
+ input_validate_input_number(get_request_var("parent_id"));
input_validate_input_number(get_request_var("tree_id"));
/* ==================================================== */
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