Security restrictions bypass in Joomla!

1) Improper access control

EUVDB-ID: #VU20195

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-15028

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the com_contact contact form core component. A remote attacker can bypass implemented security restrictions and submit mails via disabled forms.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Joomla!: 1.6.2 - 3.9.10

External links

http://developer.joomla.org/security-centre/789-20190801-core-hardening-com-contact-contact-form.html

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.