The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. Any WordPress plugin or theme running a version of Freemius less than 2.4.3 is vulnerable.

A vulnerability was found in 云课网络科技有限公司 Yunke Online School System up to 3.0.6. It has been declared as problematic. This vulnerability affects the function downfile of the file application/admin/controller/Appadmin.php. The manipulation of the argument url leads to path traversal. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

A vulnerability was found in 云课网络科技有限公司 Yunke Online School System up to 1.5.5. It has been declared as problematic. This vulnerability affects unknown code of the file /admin/educloud/videobind.html. The manipulation leads to inclusion of sensitive information in source code. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 1.5.6 is able to address this issue. It is recommended to upgrade the affected component.

A vulnerability classified as problematic was found in SourceCodester Online School Fees System 1.0. Affected by this vulnerability is an unknown functionality of the file /paysystem/datatable.php of the component GET Parameter Handler. The manipulation of the argument doj leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-232237 was assigned to this vulnerability.

A vulnerability was found in SourceCodester Online School Fees System 1.0 and classified as critical. Affected by this issue is some unknown functionality of the file ajx.php of the component GET Parameter Handler. The manipulation of the argument name_startsWith leads to sql injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-232016.

A vulnerability, which was classified as problematic, was found in SourceCodester Online School Fees System 1.0. This affects an unknown part of the file /paysystem/branch.php of the component POST Parameter Handler. The manipulation of the argument branch leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-231501 was assigned to this vulnerability.