Vulnerability identifier: #VU50834

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21302

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PrestaShop
Web applications / E-Commerce systems

Vendor: PrestaShop SA

Description

The vulnerability allows a remote attacker to inject arbitrary content via CSV files.

The vulnerability exists due to improper input validation in shop search keywords via the admin panel when processing CSV files. A remote attacker can trick the victim to load a specially crafted CVS file and inject arbitrary content to the website.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

PrestaShop: 1.5.0.0 - 1.7.7.1

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External links
http://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-2rw4-2p99-cmx9/

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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.