Arbitrary file upload in Advanced Custom Fields WordPress plugin
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-2594 |
| CWE-ID | CWE-434 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Advanced Custom Fields Web applications / Modules and components for CMS Advanced Custom Fields Pro Web applications / Modules and components for CMS |
| Vendor | Elliot Condon |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Arbitrary file upload
EUVDB-ID: #VU69193
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: CVE-2022-2594
CWE-ID:
CWE-434 - Unrestricted Upload of File with Dangerous Type
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload in a default WP configuration. A remote non-authenticated attacker can upload a malicious file and execute it on the server.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAdvanced Custom Fields: 5.6.2 - 5.12.2
Advanced Custom Fields Pro: before 5.12.3
External linkshttp://www.pritect.net/blog/advanced-custom-fields-5-12-3-can-allow-unauthenticated-users-to-upload-arbitrary-files
http://wpscan.com/vulnerability/3fde5336-552c-4861-8b4d-89a16735c0e2
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.
