The website isn't using parameterized queries, which is a fairly serious security flaw. Most likely, your mother is putting a single quote in a field where the programmer didn't expect it, and because ...
Access control mechanisms themselves typically do not cause syntax errors in a database. Access control is responsible for regulating who can access and perform operations on a database, but syntax ...
Check the manual that corresponds to your MariaDB server version for the right syntax to use" OR intext:"You have an error in your SQL syntax. Check the manual that corresponds to your MariaDB server ...