#VU28545 Arbitrary file upload in MapPress Maps for WordPress - CVE-2020-12675

Vulnerability identifier: #VU28545

Vulnerability risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-12675

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MapPress Maps for WordPress
Web applications / Modules and components for CMS

Vendor: Chris Richardson

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to improper capability checks for AJAX functions related to "creation/retrieval/deletion" of PHP template files. A remote authenticated attacker can download, delete and upload arbitrary PHP files and execute arbitrary commands on the target system.

Note: This vulnerability exists due to incomplete fixes for CVE-2020-12077 (SB2020042333).

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MapPress Maps for WordPress: 2.40 - 2.54.5

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External links
https://blog.alertlogic.com/alert-logic-threat-research-team-identifies-new-vulnerability-cve-2020-12675-in-mappress-plugin-for-wordpress/
https://wordpress.org/plugins/mappress-google-maps-for-wordpress/#developers
https://wpvulndb.com/vulnerabilities/10246/

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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.