Moodle Cross-site request forgery (CSRF) vulnerability

Moodle uses the same key for QR login and auto-login

jumpto.php in Moodle 1.5.2 allows remote attackers to redirect users to other sites via the jump parameter.

Moodle XSS Vulnerability

The Database module in Moodle before 1.6.2 does not properly handle uploaded files, which has unspecified impact and remote attack vectors.

Moodle IDOR when accessing list of course badges

mod/forum/unsubscribeall.php in Moodle 2.1.x before 2.1.7 and 2.2.x before 2.2.4 does not consider whether a forum is optional, which allows remote authenticated users to bypass forum-subscription requirements by leveraging the student role and unsubscribing from all forums.

Moodle allows attackers to discover student e-mail addresses

Moodle Improper Input Validation

The Forum module in Moodle 2.7.x before 2.7.10 allows remote authenticated users to post to arbitrary groups by leveraging the teacher role, as demonstrated by a post directed to "all participants."

The Database activity module in Moodle 2.1.x before 2.1.9, 2.2.x before 2.2.6, and 2.3.x before 2.3.3 allows remote attackers to bypass intended restrictions on reading other participants' entries via an advanced search.

lib.php in the Submission comments plugin in the Assignment module in Moodle 2.3.x before 2.3.4 and 2.4.x before 2.4.1 allows remote attackers to read or modify the submission comments (aka feedback comments) of arbitrary users via a crafted URI.

Moodle LFI vulnerability when restoring malformed block backups

Moodle XSS Vulnerability

lib/adminlib.php in Moodle through 2.3.11, 2.4.x before 2.4.8, 2.5.x before 2.5.4, and 2.6.x before 2.6.1 logs cleartext passwords, which allows remote authenticated administrators to obtain sensitive information by reading the Config Changes Report.

Moodle SSRF Vulnerability

Moodle 1.9.x before 1.9.12 and 2.0.x before 2.0.3 does not properly implement associations between teachers and groups, which allows remote authenticated users to read quiz reports of arbitrary students by leveraging the teacher role.

Cross-site scripting (XSS) vulnerability in blog/lib.php in the blog implementation in Moodle 1.9.x before 1.9.18, when Internet Explorer is used, allows remote attackers to inject arbitrary web script or HTML via a crafted parameter to blog/index.php.

Moodle self enrollment available before completing second factor with MFA enabled

Moodle Improper Authentication