Vulnerability identifier: #VU41989

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-8203

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Lodash
Web applications / JS libraries

Vendor: Lodash

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data when using _.zipObjectDeep in lodash. A remote attacker can inject and execute arbitrary script code.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Lodash: 4.17.0 - 4.17.15

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External links
http://github.com/lodash/lodash/issues/4874
http://hackerone.com/reports/712065
http://security.netapp.com/advisory/ntap-20200724-0006/
http://www.npmjs.com/advisories/1523

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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.