Improper access control in Booked - Appointment Booking for WordPress

1) Improper access control

EUVDB-ID: #VU25732

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote attacker can bypass implemented security restrictions and dump all records of users and their appointment details in CSV.

The user also gets registered as a WP User after submitting appointment which introduces more vulnerabilities i.e. a subscriber can approve, delete or modify any appointment and inject Stored XSS.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Booked - Appointment Booking for WordPress: 1.0.0 - 2.2.5

External links

http://wpvulndb.com/vulnerabilities/10107/
http://boxyupdates.com/changelog.php?p=booked

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.