Vulnerability identifier: #VU18939

Vulnerability risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-12826

CWE-ID: CWE-352

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Widget Logic
Web applications / Modules and components for CMS

Vendor: Aimbox

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick a logged-in administrator to visit a specially crafted webpage and create administrative user account or inject malicious PHP code into custom sidebar widgets registered with "wp_register_sidebar_widgettrick".

Successful exploitation of the vulnerability may allow an attacker to gain full access to the website.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Widget Logic: 0.2 - 5.9.0

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External links
http://dannewitz.ninja/posts/widget-logic-csrf-to-rce
http://plugins.trac.wordpress.org/changeset/2112753/widget-logic

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker 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.