Vulnerability · Published Jun 30, 2023 · Assigned by Wordfence
CVE-2023-2834BookIt <= 2.3.7 - Authentication Bypass
Critical 9.8
In plain English
A critical-severity authentication bypass in Bookit — Booking & Appointment Calendar from stellarwp. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 80% of all known vulnerabilities).
Official description
The BookIt plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 2.3.7. This is due to insufficient verification on the user being supplied during booking an appointment through the plugin. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the email.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| stellarwp | Bookit — Booking & Appointment Calendar | 0 – through 2.3.7 |
Weakness: CWE-288 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/cfd32e46-a4fc-4c10-b546-9f9da75db791?source=cve
- https://plugins.trac.wordpress.org/browser/bookit/tags/2.3.6/includes/classes/CustomerController.php#L27
- https://plugins.trac.wordpress.org/browser/bookit/tags/2.3.6/includes/classes/database/Customers.php#L63
- https://plugins.trac.wordpress.org/changeset/2919529/bookit
- https://plugins.trac.wordpress.org/changeset/2925153/bookit
- https://www.wordfence.com/blog/2023/06/stylemixthemes-addresses-authentication-bypass-vulnerability-in-bookit-wordpress-plugin/
- https://lana.codes/lanavdb/0dea1346-fd60-4338-8af6-6f89c29075d4/