#VU77519 Spoofing attack in Next.js - CVE-2022-23646

Vulnerability identifier: #VU77519

Vulnerability risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-23646

CWE-ID: CWE-451

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Next.js
Server applications / Frameworks for developing and running applications

Vendor: Zeit

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data. A remote attacker can send a specially crafted SVG file, trigger the vulnerability and spoof page content.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Next.js: 10.0.0 - 10.0.9, 10.1.0 - 10.1.3, 10.2.1 - 10.2.3, 11.0.0 - 11.0.1, 11.1.0 - 11.1.3, 12.0.5 - 12.0.10

---

External links
https://github.com/vercel/next.js/security/advisories/GHSA-fmvm-x8mv-47mj
https://github.com/vercel/next.js/releases/tag/v12.1.0
https://github.com/vercel/next.js/pull/34075

---

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.