Multiple vulnerabilities in Advanced Custom Fields plugin for WordPress
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2021-20865 CVE-2021-20866 CVE-2021-20867 |
| CWE-ID | CWE-862 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Advanced Custom Fields Web applications / Modules and components for CMS |
| Vendor | Delicious Brains |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Missing Authorization
EUVDB-ID: #VU58478
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-20865
CWE-ID:
CWE-862 - Missing Authorization
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to missing authorization related to database browsing. A remote authenticated attacker can browse unauthorized data on the database
MitigationInstall updates from vendor's website.
Vulnerable software versionsAdvanced Custom Fields: 5.8.12 - 5.10.2
External linkshttp://jvn.jp/en/jp/JVN09136401/index.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Missing Authorization
EUVDB-ID: #VU58479
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-20866
CWE-ID:
CWE-862 - Missing Authorization
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to missing authorization related to user list obtaining. A remote authenticated attacker can obtain a list of information that an user do not have the privilege for.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAdvanced Custom Fields: 5.8.12 - 5.10.2
External linkshttp://jvn.jp/en/jp/JVN09136401/index.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Missing Authorization
EUVDB-ID: #VU58480
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-20867
CWE-ID:
CWE-862 - Missing Authorization
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to missing authorization related to field group movement. A remote authenticated attacker can move field groups that an user do not have permission to use.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAdvanced Custom Fields: 5.8.12 - 5.10.2
External linkshttp://jvn.jp/en/jp/JVN09136401/index.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
