How severe is CVE-2019-18210?

This vulnerability has a severity rating of MEDIUM with a CVSS score of 5.4 out of 10.

What type of vulnerability is CVE-2019-18210?

This is classified as CWE-79, which is a common weakness in software security.

CVE-2019-18210 - MEDIUM Severity | CVSS 5.4

Vulnerability Description

Persistent XSS in /course/modedit.php of Moodle through 3.7.2 allows authenticated users (Teacher and above) to inject JavaScript into the session of another user (e.g., enrolled student or site administrator) via the introeditor[text] parameter. NOTE: the discoverer and vendor disagree on whether Moodle customers have a reasonable expectation that anyone authenticated as a Teacher can be trusted with the ability to add arbitrary JavaScript (this ability is not documented on Moodle's Teacher_role page). Because the vendor has this expectation, they have stated "this report has been closed as a false positive, and not a bug."

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