Moodle: Security Vulnerabilities
An issue was discovered in Moodle 3.x. An authenticated user is allowed to add HTML blocks containing scripts to their Dashboard; this is normally not a security issue because a personal dashboard is visible to this user only. Through this security vulnerability, users can move such a block to other pages where they can be viewed by other users.
CVSS Score
4.3
EPSS Score
0.003
Published
2018-05-25
An issue was discovered in Moodle 3.x. By substituting URLs in portfolios, users can instantiate any class. This can also be exploited by users who are logged in as guests to create a DDoS attack.
CVSS Score
8.1
EPSS Score
0.004
Published
2018-05-25
A flaw was found in Moodle 3.4 to 3.4.1, 3.3 to 3.3.4, 3.2 to 3.2.7, 3.1 to 3.1.10 and earlier unsupported versions. Unauthenticated users can trigger custom messages to admin via paypal enrol script. Paypal IPN callback script should only send error emails to admin after request origin was verified, otherwise admin email can be spammed.
CVSS Score
5.3
EPSS Score
0.009
Published
2018-04-04
A flaw was found in Moodle 3.4 to 3.4.1, and 3.3 to 3.3.4. If a user account using OAuth2 authentication method was once confirmed but later suspended, the user could still login to the site.
CVSS Score
8.1
EPSS Score
0.021
Published
2018-04-04
Moodle 3.x has Server Side Request Forgery in the filepicker.
CVSS Score
6.5
EPSS Score
0.129
Published
2018-01-22
In Moodle 3.x, the setting for blocked hosts list can be bypassed with multiple A record hostnames.
CVSS Score
6.5
EPSS Score
0.002
Published
2018-01-22
In Moodle 3.x, quiz web services allow students to see quiz results when it is prohibited in the settings.
CVSS Score
4.3
EPSS Score
0.003
Published
2018-01-22
In Moodle 3.x, there is XSS via a calendar event name.
CVSS Score
5.4
EPSS Score
0.003
Published
2018-01-22
In Moodle 3.x, students can find out email addresses of other students in the same course. Using search on the Participants page, students could search email addresses of all participants regardless of email visibility. This allows enumerating and guessing emails of other students.
CVSS Score
4.3
EPSS Score
0.002
Published
2017-11-20
Moodle 3.x has XSS in the contact form on the "non-respondents" page in non-anonymous feedback.
CVSS Score
6.1
EPSS Score
0.002
Published
2017-09-18