Vulnerability identifier: #VU18020

Vulnerability risk: Low

CVSSv3.1: 2.3 [CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-3850

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Moodle
Web applications / Other software

Vendor: moodle.org

Description

The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists due to the application allows links within assignment submission comments to be opened directly in the same window. Such application behavior can lead phishing attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Moodle: 3.6.0 - 3.6.2, 3.3.0 - 3.3.9, 3.5.0 - 3.5.4, 3.4.0 - 3.4.7, 3.1.0 - 3.1.16

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External links
http://moodle.org/mod/forum/discuss.php?d=384013

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.