Vulnerability identifier: #VU18793

Vulnerability risk: Medium

CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-9880

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WPGraphQL
Web applications / JS libraries

Vendor: WPGraphQL

Description

The vulnerability allows a remote attacker to gain unauthorized access to sensitive information.

The vulnerability exists due to improper access restrictions when querying the 'users' RootQuery. A remote attacker can retrieve all WordPress users details, such as email address, role and username.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

WPGraphQL: 0.0.2 - 0.2.3

---

External links
http://github.com/pentestpartners/snippets/blob/master/wp-graphql0.2.3_exploit.py
http://github.com/wp-graphql/wp-graphql/releases/tag/v0.3.0
http://wpvulndb.com/vulnerabilities/9282
http://www.pentestpartners.com/security-blog/pwning-wordpress-graphql/

---

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.