Vulnerability identifier: #VU18639

Vulnerability risk: High

CVSSv3.1: 8.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Convert Plus
Web applications / Modules and components for CMS

Vendor: Convert Pro

Description

The vulnerability allows a remote attacker to gain administrative access to the website.

The vulnerability exists due to application uses the supplied user role during registration and assign it to the new account. A remote attacker can register with the vulnerable website and assign administrative privileges to himself during registration.

Successful exploitation of the vulnerability allows a remote attacker to gain full access to the affected website.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Convert Plus: 1.0.0 - 3.4.2

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External links
http://www.wordfence.com/blog/2019/05/critical-vulnerability-patched-in-popular-convert-plus-plugin...
http://www.convertplug.com/plus/version-3-4-3-security-update/

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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. However, proof of concept for this vulnerability is available.