Privilege escalation in MStore API plugin for WordPress

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU25988

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to improper permission checks in the "mstore-api/controllers/FlutterUser.php" script in "register" and "update_user_profile" functions. A remote attacker can create an administrator account or modify any account on the blog such as the administrator account’s password or email address.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MStore API: before 2.1.6

External links

http://wpvulndb.com/vulnerabilities/10123/
http://blog.nintechnet.com/critical-vulnerability-fixed-in-wordpress-mstore-api-plugin/

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.