Vulnerability identifier: #VU19210

Vulnerability risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-89

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
File Manager
Web applications / Modules and components for CMS

Vendor: mndpsingh287

Description

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to not checking the authentication of the user properly in the wp_ajax_* action calls. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to backup download, backup deletion and backup restoration in the backup feature of the plugin.

The following registered wp_ajax_* hooks are vulnerable: mk_file_manager_backup_remove_callback, mk_file_manager_single_backup_remove_callback, mk_file_manager_single_backup_logs_callback and mk_file_manager_single_backup_restore_callback.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

File Manager: 1.0 - 4.8

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External links
http://www.webarxsecurity.com/wordpress-plugin-file-manager-multiple-vulnerabilities/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.