CVE-2018-1137 (https://nvd.nist.gov/vuln/detail/CVE-2018-1137): 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. CVE-2018-1136 (https://nvd.nist.gov/vuln/detail/CVE-2018-1136): 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. CVE-2018-1135 (https://nvd.nist.gov/vuln/detail/CVE-2018-1135): An issue was discovered in Moodle 3.x. Students who posted on forums and exported the posts to portfolios can download any stored Moodle file by changing the download URL. CVE-2018-1134 (https://nvd.nist.gov/vuln/detail/CVE-2018-1134): An issue was discovered in Moodle 3.x. Students who submitted assignments and exported them to portfolios can download any stored Moodle file by changing the download URL. CVE-2018-1133 (https://nvd.nist.gov/vuln/detail/CVE-2018-1133): An issue was discovered in Moodle 3.x. A Teacher creating a Calculated question can intentionally cause remote code execution on the server, aka eval injection. CVE-2018-10891 (https://nvd.nist.gov/vuln/detail/CVE-2018-10891): A flaw was found in moodle before versions 3.5.1, 3.4.4, 3.3.7, 3.1.13. When a quiz question bank is imported, it was possible for the question preview that is displayed to execute JavaScript that is written into the question bank. CVE-2018-10890 (https://nvd.nist.gov/vuln/detail/CVE-2018-10890): A flaw was found in moodle before versions 3.5.1, 3.4.4, 3.3.7, 3.1.13. It was possible for the core_course_get_categories web service to return hidden categories, which should be omitted when fetching course categories. CVE-2018-10889 (https://nvd.nist.gov/vuln/detail/CVE-2018-10889): A flaw was found in moodle before versions 3.5.1, 3.4.4, 3.3.7. No option existed to omit logs from data privacy exports, which may contain details of other users who interacted with the requester.
*** Bug 680522 has been marked as a duplicate of this bug. ***