CVE-2023-2834
BookIt <= 2.3.7 - Authentication Bypass
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
9.8
BookIt <= 2.3.7 - Authentication Bypass
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.
- Record
CVE-2023-2834- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-288
- Updated
- 2026-11-02
EUVDEUVD-2023-34285
9.8
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.
- Record
EUVD-2023-34285- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-x48c-rrg8-735f
9.8
The BookIt plugin for WordPress is vulnerable to authentication bypass in versions up to, and...
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.
- Record
GHSA-x48c-rrg8-735f- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-288, CWE-306
- Updated
- 2026-11-02
NVD
9.8
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.
- Record
CVE-2023-2834- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-288, CWE-306
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-2834 is a critical vulnerability (CVSS 9.8) in Stylemixthemes Bookit, published June 30, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.91%, the 79th percentile. No source names a fixed version.
References
wordfence.com/threat-intel/vulnerabilities/id/cfd32e46-a4fc-4c10-b546-9f9da75db791?source=cve
plugins.trac.wordpress.org/browser/bookit/tags/2.3.6/includes/classes/CustomerController.php
plugins.trac.wordpress.org/browser/bookit/tags/2.3.6/includes/classes/database/Customers.php
plugins.trac.wordpress.org/changeset/2919529/bookit
plugins.trac.wordpress.org/changeset/2925153/bookit
wordfence.com/blog/2023/06/stylemixthemes-addresses-authentication-bypass-vulnerability-in-bookit-wordpress-plugin
lana.codes/lanavdb/0dea1346-fd60-4338-8af6-6f89c29075d4
nvd.nist.gov/vuln/detail/CVE-2023-2834
github.com/advisories/GHSA-x48c-rrg8-735f