Moodle Security Vulnerabilities

CVE-2023-46858

Moodle 4.3 allows /grade/report/grader/index.php?searchvalue= reflected XSS when logged in as a teacher. NOTE: the Moodle Security FAQ link states "Some forms of rich content [are] used by teachers to enhance their courses ... admins and teachers can post XSS-capable content, but students can...

CVE-2021-4399

The Edwiser Bridge plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including,2.0.6. This is due to missing or incorrect nonce validation on the user_data_synchronization_initiater(), course_synchronization_initiater(), users_link_to_moodle_synchronization(),....

CVE-2021-27131

Moodle 3.10.1 is vulnerable to persistent/stored cross-site scripting (XSS) due to the improper input sanitization on the "Additional HTML Section" via "Header and Footer" parameter in /admin/settings.php. This vulnerability is leading an attacker to steal admin and all user account cookies by...

CVE-2022-40208

In Moodle, insufficient limitations in some quiz web services made it possible for students to bypass sequential navigation during a quiz...

CVE-2021-36402

In Moodle, Users' names required additional sanitizing in the account confirmation email, to prevent a self-registration phishing...

CVE-2021-36403

In Moodle, in some circumstances, email notifications of messages could have the link back to the original message hidden by HTML, which may pose a phishing...

CVE-2021-36397

In Moodle, insufficient capability checks meant message deletions were not limited to the current...

CVE-2021-36399

In Moodle, ID numbers displayed in the quiz override screens required additional sanitizing to prevent a stored XSS...

CVE-2021-36401

In Moodle, ID numbers exported in HTML data formats required additional sanitizing to prevent a local stored XSS...

CVE-2021-36398

In moodle, ID numbers displayed in the web service token list required additional sanitizing to prevent a stored XSS...

CVE-2021-36400

In Moodle, insufficient capability checks made it possible to remove other users' calendar URL...

CVE-2021-36393

In Moodle, an SQL injection risk was identified in the library fetching a user's recent...

CVE-2021-36396

In Moodle, insufficient redirect handling made it possible to blindly bypass cURL blocked hosts/allowed ports restrictions, resulting in a blind SSRF...

CVE-2021-36395

In Moodle, the file repository's URL parsing required additional recursion handling to mitigate the risk of recursion denial of...

CVE-2021-36392

In Moodle, an SQL injection risk was identified in the library fetching a user's enrolled...

CVE-2021-36394

In Moodle, a remote code execution risk was identified in the Shibboleth authentication...

CVE-2022-39183

Moodle Plugin - SAML Auth may allow Open Redirect through unspecified...

CVE-2020-36633

A vulnerability was found in moodle-block_sitenews 1.0. It has been classified as problematic. This affects the function get_content of the file block_sitenews.php. The manipulation leads to cross-site request forgery. It is possible to initiate the attack remotely. Upgrading to version 1.1 is...

CVE-2022-45152

A blind Server-Side Request Forgery (SSRF) vulnerability was found in Moodle. This flaw exists due to insufficient validation of user-supplied input in LTI provider library. The library does not utilise Moodle's inbuilt cURL helper, which resulted in a blind SSRF risk. An attacker can send a...

CVE-2022-45151

The stored-XSS vulnerability was discovered in Moodle which exists due to insufficient sanitization of user-supplied data in several "social" user profile fields. An attacker could inject and execute arbitrary HTML and script code in user's browser in context of vulnerable...

CVE-2022-45150

A reflected cross-site scripting vulnerability was discovered in Moodle. This flaw exists due to insufficient sanitization of user-supplied data in policy tool. An attacker can trick the victim to open a specially crafted link that executes an arbitrary HTML and script code in user's browser in...

CVE-2022-45149

A vulnerability was found in Moodle which exists due to insufficient validation of the HTTP request origin in course redirect URL. A user's CSRF token was unnecessarily included in the URL when being redirected to a course they have just restored. A remote attacker can trick the victim to visit a.....

CVE-2022-2986

Enabling and disabling installed H5P libraries did not include the necessary token to prevent a CSRF...

CVE-2022-40313

Recursive rendering of Mustache template helpers containing user input could, in some cases, result in an XSS risk or a page failing to...

CVE-2022-40315

A limited SQL injection risk was identified in the "browse list of users" site administration...

CVE-2022-40316

The H5P activity attempts report did not filter by groups, which in separate groups mode could reveal information to non-editing teachers about attempts/users in groups they should not have access...

CVE-2022-40314

A remote code execution risk when restoring backup files originating from Moodle 1.9 was...

CVE-2021-40695

It was possible for a student to view their quiz grade before it had been released, using a quiz web...

CVE-2021-40694

Insufficient escaping of the LaTeX preamble made it possible for site administrators to read files available to the HTTP server system...

CVE-2021-40693

An authentication bypass risk was identified in the external database authentication functionality, due to a type juggling...

CVE-2021-40691

A session hijack risk was identified in the Shibboleth authentication...

CVE-2021-40692

Insufficient capability checks made it possible for teachers to download users outside of their...

CVE-2021-36568

In certain Moodle products after creating a course, it is possible to add in a arbitrary "Topic" a resource, in this case a "Database" with the type "Text" where its values "Field name" and "Field description" are vulnerable to Cross Site Scripting Stored(XSS). This affects Moodle 3.11 and Moodle.....

CVE-2020-14320

In Moodle before 3.9.1, 3.8.4 and 3.7.7, the filter in the admin task log required extra sanitizing to prevent a reflected XSS...

CVE-2020-14322

In Moodle before 3.9.1, 3.8.4, 3.7.7 and 3.5.13, yui_combo needed to limit the amount of files it can load to help mitigate the risk of denial of...

CVE-2020-1756

In Moodle before 3.8.2, 3.7.5, 3.6.9 and 3.5.11, insufficient input escaping was applied to the PHP unit webrunner admin...

CVE-2020-1755

In Moodle before 3.8.2, 3.7.5, 3.6.9 and 3.5.11, X-Forwarded-For headers could be used to spoof a user's IP, in order to bypass remote address...

CVE-2020-14321

In Moodle before 3.9.1, 3.8.4, 3.7.7 and 3.5.13, teachers of a course were able to assign themselves the manager role within that...

CVE-2020-1691

In Moodle 3.8, messages required extra sanitizing before updating the conversation overview, to prevent the risk of stored cross-site...

CVE-2020-1754

In Moodle before 3.8.2, 3.7.5, 3.6.9 and 3.5.11, users viewing the grade history report without the 'access all groups' capability were not restricted to viewing grades of users within their own...

CVE-2022-35649

The vulnerability was found in Moodle, occurs due to improper input validation when parsing PostScript code. An omitted execution parameter results in a remote code execution risk for sites running GhostScript versions older than 9.50. Successful exploitation of this vulnerability may result in...

CVE-2022-35652

An open redirect issue was found in Moodle due to improper sanitization of user-supplied data in mobile auto-login feature. A remote attacker can create a link that leads to a trusted website, however, when clicked, it redirects the victims to arbitrary URL/domain. Successful exploitation of this.....

CVE-2022-35653

A reflected XSS issue was identified in the LTI module of Moodle. The vulnerability exists due to insufficient sanitization of user-supplied data in the LTI module. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's...

CVE-2022-35651

A stored XSS and blind SSRF vulnerability was found in Moodle, occurs due to insufficient sanitization of user-supplied data in the SCORM track details. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context....

CVE-2022-35650

The vulnerability was found in Moodle, occurs due to input validation error when importing lesson questions. This insufficient path checks results in arbitrary file read risk. This vulnerability allows a remote attacker to perform directory traversal attacks. The capability to access this feature.....

CVE-2022-30600

A flaw was found in moodle where logic used to count failed login attempts could result in the account lockout threshold being...

CVE-2022-30598

A flaw was found in moodle where global search results could include author information on some activities where a user may not otherwise have access to...

CVE-2022-30597

A flaw was found in moodle where the description user field was not hidden when being set as a hidden user...

CVE-2022-30599

A flaw was found in moodle where an SQL injection risk was identified in Badges code relating to configuring...

CVE-2022-30596

A flaw was found in moodle where ID numbers displayed when bulk allocating markers to assignments required additional sanitizing to prevent a stored XSS...