Information disclosure in ACF to REST API plugin for WordPress

1) Information disclosure

EUVDB-ID: #VU29339

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-13700

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

The vulnerability exists due to excessive data output by the application in the "wp-json/acf/v3/options/" endpoint. A remote attacker can gain unauthorized access to sensitive information on the system from the "wp_options" table, such as a list of active plugins.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ACF to REST API: 2.0.2 - 3.2.0

External links

http://gist.github.com/mariuszpoplwski/4fbaab7f271bea99c733e3f2a4bafbb5
http://github.com/airesvsg/acf-to-rest-api
http://wordpress.org/plugins/acf-to-rest-api/#developers
http://wpvulndb.com/vulnerabilities/10284/

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.