#VU58427 CSV Injection in html2csv - CVE-2021-23654

Vulnerability identifier: #VU58427

Vulnerability risk: Medium

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-23654

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
html2csv
Web applications / Modules and components for CMS

Vendor: Wentao Han

Description

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

The vulnerability exists due to improper input validation. A remote attacker can inject arbitrary code into a CSV file.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

html2csv: 0.1.0 - 0.1.3

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External links
https://snyk.io/vuln/SNYK-PYTHON-HTMLTOCSV-1582784
https://github.com/hanwentao/html2csv/blob/master/html2csv/converter.py

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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.