baserCMS allows any file to be uploaded

There is a vulnerability that allows uploading any files to baserCMS.

This is a vulnerability that needs to be addressed when the management system is used by an unspecified number of users.
If you are eligible, please update to the new version as soon as possible.

Target

baserCMS 4.7.3 and earlier versions

Vulnerability

Malicious files may be uploaded in Upload File Management.

Countermeasures

Update to the latest version of baserCMS

Please refer to the following page to reference for more information.
https://basercms.net/security/JVN_61105618

Credits

• Taisei Inoue@GMO Cybersecurity by Ierae, Inc.
• Yusuke Akagi@Mitsui Bussan Secure Directions, Inc.