Vulnerability identifier: #VU32784

Vulnerability risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
i18next
Web applications / Modules and components for CMS

Vendor: i18next

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper input validation in the "AddResourceBundle" API which uses the "deepExtend" function. A remote attacker can overwrite and pollute the object prototype of a program.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

i18next: 1.6.0 - 19.5.6

---

External links
http://snyk.io/vuln/SNYK-JS-I18NEXT-585930
http://github.com/i18next/i18next/pull/1482

---

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.