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EUVD-2026-218822

fkie_cve-2023-25655

baserCMS is a Content Management system. Prior to version 4.7.5, any file may be uploaded on the management system of baserCMS. Version 4.7.5 contains a patch.

GHSA-mfvg-qwcw-qvc8 — baserCMS allows any file to be uploaded

Affected: Packagist: baserproject/basercms

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.

gsd-2023-25655

jvndb-2023-000028

baserCMS provided by baserCMS Users Community allows an authenticated user to upload arbitrary files (CWE-434). Taisei Inoue of GMO Cybersecurity by Ierae, Inc. and Yusuke Akagi of Mitsui Bussan Secure Directions, Inc., Shiga Takuma of BroadBand Security, Inc. reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.