Description
Dolibarr before 11.0.5 allows low-privilege users to upload files of dangerous types, leading to arbitrary code execution. This occurs because .pht and .phar files can be uploaded. Also, a .htaccess file can be uploaded to reconfigure access control (e.g., to let .noexe files be executed as PHP code to defeat the .noexe protection mechanism).
Remediation
References
Related Vulnerabilities
Sqlite NULL Pointer Dereference Vulnerability (CVE-2019-19926)
WordPress Plugin Conditional Marketing Mailer for WooCommerce Security Bypass (1.5.1)
PostgreSQL Permissions, Privileges, and Access Controls Vulnerability (CVE-2010-3433)
Moodle Uncontrolled Resource Consumption Vulnerability (CVE-2020-25630)