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threat alert CVE-2019-15028

Joomla Core: privilege escalation via Com_contact Mail Submission

Synthesis of the vulnerability

An attacker can bypass restrictions via Com_contact Mail Submission of Joomla Core, in order to escalate his privileges.
Severity of this alert: 2/4.
Creation date: 14/08/2019.
Références of this alert: CERTFR-2019-AVI-386, CVE-2019-15028, VIGILANCE-VUL-30053.
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Description of the vulnerability

An attacker can bypass restrictions via Com_contact Mail Submission of Joomla Core, in order to escalate his privileges.
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This computer vulnerability bulletin impacts software or systems such as Joomla! Core.

Our Vigil@nce team determined that the severity of this vulnerability bulletin is medium.

The trust level is of type confirmed by the editor, with an origin of internet client.

An attacker with a expert ability can exploit this threat note.

Solutions for this threat

Joomla Core: version 3.9.11.
The version 3.9.11 is fixed:
  https://downloads.joomla.org/
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