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vulnerability CVE-2018-16854

Moodle: Cross Site Request Forgery via Login Form

Synthesis of the vulnerability

An attacker can trigger a Cross Site Request Forgery via Login Form of Moodle, in order to force the victim to perform operations.
Vulnerable systems: Fedora.
Severity of this threat: 2/4.
Consequences of an attack: user access/rights.
Pirate's origin: internet client.
Creation date: 30/11/2018.
Références of this weakness: CVE-2018-16854, FEDORA-2018-4ec3eecd7f, FEDORA-2018-6a4a3b78fd, FEDORA-2018-f4910a3260, VIGILANCE-VUL-27920.

Description of the vulnerability

The Moodle product offers a web service.

However, the origin of queries is not checked. They can for example originate from an image included in an HTML document.

An attacker can therefore trigger a Cross Site Request Forgery via Login Form of Moodle, in order to force the victim to perform operations.
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