Blackboard Learn 1.10.1 allows remote authenticated users to read unintended files by entering student credentials and then directly visiting a certain webapps/bbcms/execute/ URL. Note: The vendor disputes this stating this cannot be reproduced.

Blackboard Learn through 9.1 allows XSS by an authenticated user via the Assignment Instructions HTML editor.

Blackboard Learn through 9.1 allows XSS by an authenticated user via the Feedback to Learner form.

Stored Cross-site scripting (XSS) vulnerability in Blackboard Learn/PeopleTool v9.1 allows users to inject arbitrary web script via the Tile widget in the People Tool profile editor.

Blackboard Learn (Since at least 17th of October 2017) has allowed Unvalidated Redirects on any signed-in user through its endpoints for handling Shibboleth logins, as demonstrated by a webapps/bb-auth-provider-shibboleth-BBLEARN/execute/shibbolethLogin?returnUrl= URI.

The bb-auth-provider-cas authentication module within Blackboard Learn 2018-07-02 is susceptible to HTTP host header spoofing during Central Authentication Service (CAS) service ticket validation, enabling a phishing attack from the CAS server login page.

Multiple cross-site scripting (XSS) vulnerabilities in messaging/course/composeMessage.jsp in BlackBoard Learning System 6.3.1.593 and earlier in BlackBoard Academic Suite allow remote attackers to inject arbitrary web script or HTML via the (1) subject_t and (2) body_text parameters. NOTE: vector 2 requires bypassing a client-side security mechanism that attempts to block XSS sequences.

Multiple cross-site scripting (XSS) vulnerabilities in Blackboard Learning System 6, Blackboard Learning and Community Portal Suite 6.2.3.23, and Blackboard Vista 4 allow remote attackers to inject arbitrary Javascript, VBScript, or HTML via (1) data, (2) vbscript, and (3) malformed javascript URIs in various HTML tags when posting to the Discussion Board.