diff --git a/lib/user-manager.sh b/lib/user-manager.sh
index d5ebdba..c860456 100755
--- a/lib/user-manager.sh
+++ b/lib/user-manager.sh
@@ -251,11 +251,11 @@ get_cpanel_user_domains() {
     local username="$1"
 
     # Primary domain (format: domain: user)
-    grep ": ${username}$" /etc/trueuserdomains 2>/dev/null | cut -d: -f1 || true
+    grep -F ": ${username}" /etc/trueuserdomains 2>/dev/null | grep -F "$username\$" 2>/dev/null | cut -d: -f1 || true
 
     # Addon domains
     if [ -f "/etc/userdatadomains" ]; then
-        grep "==${username}$" /etc/userdatadomains 2>/dev/null | cut -d: -f1 || true
+        grep -F "==${username}" /etc/userdatadomains 2>/dev/null | grep -F "$username\$" 2>/dev/null | cut -d: -f1 || true
     fi
 }
 
@@ -314,7 +314,7 @@ get_cpanel_user_databases() {
     local username="$1"
 
     # cPanel databases typically follow pattern: username_dbname
-    mysql -e "SHOW DATABASES" 2>/dev/null | grep "^${username}_" || true
+    mysql -e "SHOW DATABASES" 2>/dev/null | grep -F "${username}_" 2>/dev/null || true
 }
 
 get_plesk_user_databases() {