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wellwelwel merged 1 commit into from
Feb 10, 2026
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docs: improve security measure description #18

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2 changes: 1 addition & 1 deletion README.md
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Expand Up @@ -30,7 +30,7 @@
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> 🔐 **SQL Escaper** is intended to fix a potential [**SQL Injection vulnerability**](https://flattsecurity.medium.com/finding-an-unseen-sql-injection-by-bypassing-escape-functions-in-mysqljs-mysql-90b27f6542b4) reported in 2022. By combining the original [**sqlstring**](https://github.com/mysqljs/sqlstring) with [**mysqljs/mysql**](https://github.com/mysqljs/mysql) or [**MySQL2**](https://github.com/sidorares/node-mysql2), objects passed as values could be expanded into **SQL** fragments, potentially allowing attackers to manipulate query structure. See [sidorares/node-mysql2#4051](https://github.com/sidorares/node-mysql2/issues/4051) for details.
>
> Regardless of the `stringifyObjects` value, objects used outside of `SET` or `ON DUPLICATE KEY UPDATE` contexts are always stringified as `'[object Object]'`. This is a security measure to prevent [SQL Injection](https://flattsecurity.medium.com/finding-an-unseen-sql-injection-by-bypassing-escape-functions-in-mysqljs-mysql-90b27f6542b4).
> Regardless of the `stringifyObjects` value, objects used outside of `SET` or `ON DUPLICATE KEY UPDATE` contexts are always stringified as `'[object Object]'`. This is a security measure to prevent [SQL Injection](https://flattsecurity.medium.com/finding-an-unseen-sql-injection-by-bypassing-escape-functions-in-mysqljs-mysql-90b27f6542b4) and is not interpreted as a breaking change for **sqlstring** usage.

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