Package Instance

Cross-Site Request Forgery (CSRF)
A CSRF attack is possible that allows attackers to change the "number of courses displayed in the course overview block" configuration setting.

Information Exposure
In Moodle global search displays user names for unauthenticated users.

Improper Privilege Management
Remote authenticated users can take ownership of arbitrary blogs by editing an external blog link.

Improper Input Validation
There is incorrect sanitization of attributes in forums.

Information Exposure
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.

Information Exposure
Various course reports allow teachers to view details about users in the groups they cannot access.

Cross-site Scripting
Moodle is vulnerable to XSS via a calendar event name.

Improper Input Validation
An issue was discovered in Moodle. 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.

Improper Privilege Management
An issue was discovered in Moodle. Students who submitted assignments and exported them to portfolios can download any stored Moodle file by changing the download URL.

SQL Injection
An SQL injection can occur via user preferences.

Information Exposure
In Moodle, the quiz web services allow students to see quiz results when it is prohibited in the settings.

Cross-site Scripting
There is XSS in the assignment submission page.

Information Exposure
An issue was discovered in Moodle. Students who posted on forums and exported the posts to portfolios can download any stored Moodle file by changing the download URL.

Cross-site Scripting
An issue was discovered in Moodle. 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.

Cross-site Scripting
An XSS can occur via evidence of prior learning.

Improper Access Control
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.

Insufficient Access Control
The setting for blocked hosts list can be bypassed with multiple A record `hostnames`.

Injection Vulnerability
An issue was discovered in Moodle. A Teacher creating a Calculated question can intentionally cause remote code execution on the server.

Information Exposure
Moodle has a user fullname disclosure through the user preferences page.

Exposure of Resource to Wrong Sphere
In Moodle, searching of arbitrary blogs is possible because a capability check is missing.

Cross-site Scripting
In Moodle, an XSS can occur via attachments to evidence of prior learning.

Server-Side Request Forgery (SSRF)
Moodle has Server Side Request Forgery in the `filepicker`.

Improper Privilege Management
Course creators are able to change system default settings for courses.

Cross-site Scripting
Moodle has an XSS in the contact form on the "non-respondents" page in non-anonymous feedback.