Description
WordPress Plugin MStore API is prone to a vulnerability that lets attackers upload arbitrary files because the application fails to properly verify user-supplied input. An attacker can exploit this vulnerability to upload arbitrary code and run it in the context of the webserver process. This may facilitate unauthorized access or privilege escalation; other attacks are also possible. WordPress Plugin MStore API version 3.4.4 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 3.4.5 or latest
References
https://sploitus.com/exploit?id=WPEX-ID:679D7241-A136-4EB3-A9EC-42DE2492DDFC
https://www.exploit-db.com/exploits/50379
https://plugins.svn.wordpress.org/mstore-api/trunk/readme.txt
Related Vulnerabilities
PHP Other Vulnerability (CVE-2015-6834)
Grafana Missing Authentication for Critical Function Vulnerability (CVE-2019-15043)
PHP Improper Input Validation Vulnerability (CVE-2010-3709)
WordPress Plugin WP-Download 'dl_id' Parameter SQL Injection (1.2)
Moodle Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2011-4581)