#VU24178 Code Injection in TablePress - CVE-2019-20180

Vulnerability identifier: #VU24178

Vulnerability risk: Medium

CVSSv4.0: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2019-20180

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
TablePress
Web applications / Modules and components for CMS

Vendor: Tobias Bäthge

Description

The vulnerability allows a remote user to inject arbitrary code into CSV files.

The vulnerability exists in the "tablepress[data]" parameter due to insufficient sanitization of user-supplied data when constructing CSV files. A remote administrator can inject malicious data into the contact form fields that is used later by the plugin to generate CSV files. Such files can be opened with Microsoft Excel built-in functions and utilize its functionality to execute malicious macros.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

TablePress: 1.0 - 1.9.2

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External links
https://medium.com/@Pablo0xSantiago/cve-2019-20180-tablepress-version-1-9-2-csv-injection-65309fcc8be8
https://wpvulndb.com/vulnerabilities/10016

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged 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.