The default configuration of the auth/saml plugin in Mahara before 1.4.2 sets the "Match username attribute to Remote username" option to false, which allows remote SAML IdP servers to spoof users of other SAML IdP servers by using the same internal username.

Mahara before 1.4.1, when MNet (aka the Moodle network feature) is used, allows remote authenticated users to gain privileges via a jump to an XMLRPC target.

The "Reply to message" feature in Mahara 1.3.x and 1.4.x before 1.4.1 allows remote authenticated users to read the messages of a different user via a modified replyto parameter.

Cross-site request forgery (CSRF) vulnerability in Mahara before 1.4.1 allows remote attackers to hijack the authentication of administrators for requests that add a user to an institution.

The get_dataroot_image_path function in lib/file.php in Mahara before 1.4.1 does not properly validate uploaded image files, which allows remote attackers to cause a denial of service (memory consumption) via a (1) large or (2) invalid image.

Multiple cross-site scripting (XSS) vulnerabilities in Mahara before 1.4.1 allow remote attackers to inject arbitrary web script or HTML via vectors related to (1) URI attributes and (2) the External Feed component, as demonstrated by the guid element in an RSS feed.

Mahara before 1.3.6 does not properly handle an https URL in the wwwroot configuration setting, which makes it easier for user-assisted remote attackers to obtain credentials by sniffing the network at a time when an http URL is used for a login.

Cross-site scripting (XSS) vulnerability in Mahara before 1.3.6 allows remote authenticated users to inject arbitrary web script or HTML via vectors associated with HTML e-mail messages, related to artefact/comment/lib.php and interaction/forum/lib.php.

Mahara before 1.3.6 does not properly restrict the data in responses to AJAX calls, which allows remote authenticated users to obtain sensitive information via a request associated with (1) blocktype/myfriends/myfriends.json.php, (2) json/usersearch.php, (3) group/membersearchresults.json.php, or (4) json/friendsearch.php, as demonstrated by information about friends and e-mail addresses.

Cross-site request forgery (CSRF) vulnerability in the pieforms implementation in Mahara before 1.3.6 allows remote attackers to hijack the authentication of arbitrary users for requests to any form, related to inappropriate regeneration of session keys.

Mahara before 1.3.6 allows remote authenticated users to bypass intended access restrictions, and suspend a user account, edit a view, visit a view, edit a plan artefact, read a plans block, read a plan artefact, edit a blog, read a blog block, read a blog artefact, or access a block, via a request associated with (1) admin/users/search.json.php, (2) view/newviewtoken.json.php, (3) lib/mahara.php, (4) artefact/plans/tasks.json.php, (5) artefact/plans/viewtasks.json.php, (6) artefact/blog/view/index.json.php, (7) artefact/blog/posts.json.php, or (8) blocktype/myfriends/myfriends.json.php, related to incorrect privilege enforcement, a missing user id check, and incorrect enforcement of the Overriding Start/Stop Dates setting.

Cross-site request forgery (CSRF) vulnerability in Mahara 1.2.x before 1.2.7 and 1.3.x before 1.3.4 allows remote attackers to hijack the authentication of arbitrary users for requests that delete blogs.

Cross-site scripting (XSS) vulnerability in Mahara 1.2.x before 1.2.7 and 1.3.x before 1.3.4 allows remote attackers to inject arbitrary web script or HTML via the Pieforms select box.

Cross-site scripting (XSS) vulnerability in blocktype/groupviews/theme/raw/groupviews.tpl in Mahara before 1.3.3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors. NOTE: some of these details are obtained from third party information.