Arbitrary file upload in Booked - Appointment Booking for WordPress - CVE-2019-9581
Published: March 6, 2019 / Updated: May 13, 2022
Vulnerability identifier: #VU36082
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2019-9581
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Boxy Studio
Affected software:
Booked - Appointment Booking for WordPress
Booked - Appointment Booking for WordPress
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to the application allows unrestricted upload of dangerous files in Favicon field, leading to execution of arbitrary Web/custom-favicon.php PHP code, because Presenters/Admin/ManageThemePresenter.php does not ensure an image file extension. A remote attacker can upload a malicious file and execute it on the server.
How to mitigate CVE-2019-9581
Install update from vendor's website.