A security vulnerability has been detected in OUSL-GROUP-BrinaryBrains School Student Management System up to 1e70e5ad1125b86dca4ee086eb6bb121f17708b6. Affected is the function marks of the file application/controllers/Parents.php. The manipulation of the argument param1 leads to improper control of resource identifiers. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.