PHP code injection in RegistrationMagic-Custom Registration Forms plugin for WordPress

1) PHP code injection

EUVDB-ID: #VU8708

Risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient filtration of user-supplied data passed to "/wp-admin/admin-ajax.php" script. A remote unauthenticated attacker can inject and execute arbitrary PHP code on the target server.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable web application and execute arbitrary OS commands on the affected web server.

Mitigation

Update to version 1.5.3.

Vulnerable software versions

RegistrationMagic-Custom Registration Forms: 3.7.9.0 - 3.7.9.2

CPE2.3

• cpe:2.3:a:cmshelplive:registrationmagic-custom_registration_forms:3.7.9.2:*:*:*:*:*:*:*
• cpe:2.3:a:cmshelplive:registrationmagic-custom_registration_forms:3.7.9.1:*:*:*:*:*:*:*
• cpe:2.3:a:cmshelplive:registrationmagic-custom_registration_forms:3.7.9.0:*:*:*:*:*:*:*

External links

http://www.wordfence.com/blog/2017/10/3-zero-day-plugin-vulnerabilities-exploited-wild/

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.