Moodle Security Vulnerabilities

CVE-2024-38277

A unique key should be generated for a user's QR login key and their auto-login key, so the same key cannot be used interchangeably between the...

CVE-2024-38276

Incorrect CSRF token checks resulted in multiple CSRF...

CVE-2024-38273

Insufficient capability checks meant it was possible for users to gain access to BigBlueButton join URLs they did not have permission to...

CVE-2024-38275

The cURL wrapper in Moodle retained the original request headers when following redirects, so HTTP authorization header information could be unintentionally sent in requests to redirect...

CVE-2024-38274

Insufficient escaping of calendar event titles resulted in a stored XSS risk in the event deletion...

CVE-2024-33996

Incorrect validation of allowed event types in a calendar web service made it possible for some users to create events with types/audiences they did not have permission to publish...

CVE-2024-4186

The Build App Online plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 3.0.5. This is due to the 'eb_user_email_verification_key' default value is empty, and the not empty check is missing in the 'eb_user_email_verify' function. This makes it possible...

CVE-2023-5543

When duplicating a BigBlueButton activity, the original meeting ID was also duplicated instead of using a new ID for the new activity. This could provide unintended access to the original...

CVE-2023-5551

Separate Groups mode restrictions were not honoured in the forum summary report, which would display users from other...

CVE-2023-5550

In a shared hosting environment that has been misconfigured to allow access to other users' content, a Moodle user who also has direct access to the web server outside of the Moodle webroot could utilise a local file include to achieve remote code...

CVE-2023-5548

Stronger revision number limitations were required on file serving endpoints to improve cache poisoning...

CVE-2023-5547

The course upload preview contained an XSS risk for users uploading unsafe...

CVE-2023-5546

ID numbers displayed in the quiz grading report required additional sanitizing to prevent a stored XSS...

CVE-2023-5549

Insufficient web service capability checks made it possible to move categories a user had permission to manage, to a parent category they did not have the capability to...

CVE-2023-5544

Wiki comments required additional sanitizing and access restrictions to prevent a stored XSS risk and potential IDOR...

CVE-2023-5542

Students in "Only see own membership" groups could see other students in the group, which should be...

CVE-2023-5540

A remote code execution risk was identified in the IMSCP activity. By default this was only available to teachers and...

CVE-2023-5541

The CSV grade import method contained an XSS risk for users importing the spreadsheet, if it contained unsafe...

CVE-2023-5545

H5P metadata automatically populated the author with the user's username, which could be sensitive...

CVE-2023-5539

A remote code execution risk was identified in the Lesson activity. By default this was only available to teachers and...

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-2023-35131

Content on the groups page required additional sanitizing to prevent an XSS risk. This flaw affects Moodle versions 4.2, 4.1 to 4.1.3, 4.0 to 4.0.8 and 3.11 to...

CVE-2023-35132

A limited SQL injection risk was identified on the Mnet SSO access control page. This flaw affects Moodle versions 4.2, 4.1 to 4.1.3, 4.0 to 4.0.8, 3.11 to 3.11.14, 3.9 to 3.9.21 and earlier unsupported...

CVE-2023-35133

An issue in the logic used to check 0.0.0.0 against the cURL blocked hosts lists resulted in an SSRF risk. This flaw affects Moodle versions 4.2, 4.1 to 4.1.3, 4.0 to 4.0.8, 3.11 to 3.11.14, 3.9 to 3.9.21 and earlier unsupported...

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-2023-30944

The vulnerability was found Moodle which exists due to insufficient sanitization of user-supplied data in external Wiki method for listing pages. A remote attacker can send a specially crafted request to the affected application and execute limited SQL commands within the application...

CVE-2023-30943

The vulnerability was found Moodle which exists because the application allows a user to control path of the older to create in TinyMCE loaders. A remote user can send a specially crafted HTTP request and create arbitrary folders on the...

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-2023-28334

Authenticated users were able to enumerate other users' names via the learning plans...

CVE-2023-28336

Insufficient filtering of grade report history made it possible for teachers to access the names of users they could not otherwise...

CVE-2023-28333

The Mustache pix helper contained a potential Mustache injection risk if combined with user input (note: This did not appear to be implemented/exploitable anywhere in the core Moodle...

CVE-2023-28335

The link to reset all templates of a database activity did not include the necessary token to prevent a CSRF...

CVE-2023-28331

Content output by the database auto-linking filter required additional sanitizing to prevent an XSS...

CVE-2023-28332

If the algebra filter was enabled but not functional (eg the necessary binaries were missing from the server), it presented an XSS...

CVE-2023-1402

The course participation report required additional checks to prevent roles being displayed which the user did not have access to...

CVE-2023-28330

Insufficient sanitizing in backup resulted in an arbitrary file read risk. The capability to access this feature is only available to teachers, managers and admins by...

CVE-2023-28329

Insufficient validation of profile field availability condition resulted in an SQL injection risk (by default only available to teachers and...

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...