CVE-2023-6846: file manager Code Injection — Exploit

Description

The File Manager Pro plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 8.3.4 via the mk_check_filemanager_php_syntax AJAX function. This makes it possible for authenticated attackers, with subscriber access and above, to execute code on the server. Version 8.3.5 introduces a capability check that prevents users lower than admin from executing this function.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-94 CWE-94

CWE-434 Unrestricted Upload

Affected Products

Vendor	Product	Versions
filemanagerpro	file_manager	< 8.3.4

References

Exploits

https://gist.github.com/Kun19/046b2b305cac5f2edd38037984c2e8e3 https://gist.github.com/Kun19/046b2b305cac5f2edd38037984c2e8e3

Other References

https://www.wordfence.com/threat-intel/vulnerabilities/id/1e8e0257-a745-495f-a103-c032b95209fc?source=cve https://www.wordfence.com/threat-intel/vulnerabilities/id/1e8e0257-a745-495f-a103-c032b95209fc?source=cve

Frequently Asked Questions

What is CVE-2023-6846? +

The File Manager Pro plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 8.3.4 via the mk_check_filemanager_php_syntax AJAX function. This makes it possible for authenticated attackers, with subscriber access and above, to execute code on the server. Version 8.3.5 introduces a capability check that prevents users lower than admin from executing this function. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2023-6846? +

CVE-2023-6846 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-6846? +

CVE-2023-6846 affects products from filemanagerpro, specifically: file_manager. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-6846? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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