Moodle Moodle vulnerabilities

CVE-2026-102588 Medium · 6.5 CWE-346 Sep 30, 2026

Moodle: csrf in xml grade import

A flaw was found in Moodle. The XML grade import feature lacks proper Cross-Site Request Forgery (CSRF) token validation. By tricking an authenticated user with grade management permissions into visiting a malicious webpage, an attacker can trigger unauthorized requests on the victim's behalf. This flaw allows a remote attacker to set or overwrite student grades without authorization.

CVE-2026-102587 Low · 2.7 CWE-204 Sep 30, 2026

Moodle: user list filters bypass profile field visibility

A flaw was found in Moodle. User list filters do not properly enforce visibility restrictions on user profile fields. An authorized user with manager privileges can filter user lists using profile attributes they are not permitted to view directly, resulting in unauthorized information disclosure by inferring hidden user data.

CVE-2026-102586 Medium · 6.1 CWE-79 Sep 30, 2026

Moodle: xss via password reset link due to insufficient username escaping

A flaw was found in Moodle. Insufficient sanitization of username input on the password reset page allows a remote attacker to conduct a cross-site scripting (XSS) attack. By convincing an unauthenticated user to access a specially crafted password reset link, an attacker could execute arbitrary script in the victim's browser.

CVE-2026-102585 Medium · 4.3 CWE-842 Sep 30, 2026

Moodle: group validation missing when enrolling user to course

A flaw was found in Moodle. When enrolling a user into a course while assigning them to a group, the application does not verify whether the selected group actually belongs to that course. An authenticated user with teacher privileges could exploit this flaw to add users to groups within courses they do not have authorization to access.

CVE-2026-102584 Medium · 4.3 CWE-425 Sep 30, 2026

Moodle: missing capability check allows unauthorised grade penalty recalculation

A flaw was found in Moodle. Due to a missing capability check, a low-privileged authenticated user can trigger the recalculation of grade penalties without holding the required permissions. This issue allows unauthorized users to modify grade penalty records, potentially altering student assessment scores.

CVE-2026-102583 Low · 2.7 CWE-425 Sep 30, 2026

Moodle: incorrect capability check in ai generate image web service

A flaw was found in Moodle. An incorrect capability check in the artificial intelligence (AI) editor placement's image generation web service allows an authenticated user to invoke the feature without holding the required capability. This flaw permits unauthorized users to access and utilize the AI image generation functionality.

CVE-2026-102582 Medium · 4.3 CWE-425 Sep 30, 2026

Moodle: manual enrolment page accessible when plugin disabled

A flaw was found in Moodle. The manual enrolment management page did not properly check whether the manual enrolment plugin was disabled, allowing users with enrolment permissions to access the page directly by navigating to its URL. Consequently, an authorized user could manage manual enrolments even after an administrator disabled the feature in the user interface.

CVE-2026-102581 Medium · 5.4 CWE-79 Sep 30, 2026

Moodle: xss in forum post templates due to insufficient escaping

A flaw was found in Moodle. Insufficient output escaping in templates used to display forum posts enables a stored cross-site scripting (XSS) vulnerability. An attacker can inject malicious content into a forum post, which then executes arbitrary script code in the browser of another user viewing the affected post.

CVE-2026-102580 Medium · 4.3 CWE-470 Sep 30, 2026

Moodle: arbitrary class instantiation via report builder audience classname

A flaw was found in Moodle. An authenticated attacker can supply an improperly validated audience class name to the Report Builder component, allowing arbitrary class instantiation. This vulnerability enables the unauthorized creation of internal program objects, which may result in unexpected application behavior.

CVE-2026-102579 Medium · 4.3 CWE-359 Sep 30, 2026

Moodle: user profile information disclosure via grade web service

A flaw was found in Moodle. An incorrect capability check in the grade web service allows an authenticated student to access profile information of other students enrolled in the same course that they should not have permission to view. This issue leads to unauthorized information disclosure.

CVE-2026-102578 High · 8.8 CWE-89 Sep 30, 2026

Moodle: sql injection in question bank web service

A flaw was found in Moodle. An authenticated attacker with access to the question bank web service can submit unsanitized input directly into database queries, resulting in a SQL (Structured Query Language) injection vulnerability. This issue could allow an attacker to view, alter, or delete sensitive data stored in the underlying database.

CVE-2026-102577 Medium · 4.3 CWE-918 Sep 30, 2026

Moodle: ssrf risk in url downloader via ipv4-mapped ipv6 address bypass

A flaw was found in Moodle. Incorrect handling of IPv4-mapped IPv6 addresses within the URL downloader's host-blocking logic allows an authenticated remote user to bypass blocked-host restrictions. By supplying a crafted URL, an attacker can induce the server to make requests to restricted destinations, leading to Server-Side Request Forgery (SSRF).

CVE-2022-50943 Medium · 6.1 CWE-79 May 10, 2026

Moodle LMS 4.0 Cross-Site Scripting via course search.php

Moodle LMS 4.0 contains a cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by submitting payloads through the search parameter. Attackers can inject JavaScript code via the search field in course/search.php to execute arbitrary scripts in users' browsers and steal session cookies.

CVE-2026-26047 Medium · 6.5 CWE-770 Feb 21, 2026

Moodle: moodle: uncontrolled resource consumption in tex formula editor leading to denial of service

A denial-of-service vulnerability was identified in Moodle’s TeX formula editor. When rendering TeX content using mimetex, insufficient execution time limits could allow specially crafted formulas to consume excessive server resources. An authenticated user could abuse this behavior to degrade performance or cause service interruption.

CVE-2026-26046 High · 7.2 CWE-78 Feb 21, 2026

Moodle: moodle: improper input sanitization in tex filter administration setting

A vulnerability was found in a Moodle TeX filter administrative setting where insufficient sanitization of configuration input could allow command injection. On sites where the TeX filter is enabled and ImageMagick is installed, a maliciously crafted setting value entered by an administrator could result in unintended system command execution. While exploitation requires administrative privileges, successful compromise could affect the entire Moodle server.

CVE-2026-26045 High · 7.2 CWE-94 Feb 21, 2026

Moodle: moodle: improper validation in file restore functionality leading to remote code execution

A flaw was identified in Moodle’s backup restore functionality where specially crafted backup files were not properly validated during processing. If a malicious backup file is restored, it could lead to unintended execution of server-side code. Since restore capabilities are typically available to privileged users, exploitation requires authenticated access. Successful exploitation could result in full compromise of the Moodle server.

CVE-2025-67857 Medium · 5.3 CWE-201 Feb 3, 2026

Moodle: moodle: data exposure of user identifiers in urls

A flaw was found in moodle. During anonymous assignment submissions, user identifiers were inadvertently exposed in URLs. This data exposure allows unauthorized viewers to see internal user IDs, compromising the intended anonymity and potentially leading to information disclosure.

CVE-2025-67856 Critical · 9.8 CWE-863 Feb 3, 2026

Moodle Badge Awarding Authorization Flaw (CWE-863)

A flaw was found in Moodle. An authorization logic flaw, specifically due to incomplete role checks during the badge awarding process, allowed badges to be granted without proper verification. This could enable unauthorized users to obtain badges they are not entitled to, potentially leading to privilege escalation or unauthorized access to certain features.

CVE-2025-67855 Medium · 6.1 CWE-79 Feb 3, 2026

Mooodle: mooodle: information disclosure and script execution via reflected cross-site scripting

A flaw was found in mooodle. A remote attacker could exploit a reflected Cross-Site Scripting (XSS) vulnerability in the policy tool return URL. This vulnerability arises from insufficient sanitization of URL parameters, allowing attackers to inject malicious scripts through specially crafted links. Successful exploitation could lead to information disclosure or arbitrary client-side script execution within the user's browser.

CVE-2025-67853 High · 7.5 CWE-307 Feb 3, 2026

Moodle: moodle: brute-force facilitation due to missing rate limiting in confirmation email service

A flaw was found in Moodle. A remote attacker could exploit a lack of proper rate limiting in the confirmation email service. This vulnerability allows attackers to more easily enumerate or guess user credentials, facilitating brute-force attacks against user accounts.

CVE-2025-67852 Medium · 6.1 CWE-601 Feb 3, 2026

Moodle: moodle: open redirect vulnerability in oauth login flow allows redirection to malicious sites.

A flaw was found in Moodle. An open redirect vulnerability in the OAuth login flow allows a remote attacker to redirect users to attacker-controlled pages after they have successfully authenticated. This occurs due to insufficient validation of redirect parameters, which could lead to phishing attacks or information disclosure.

CVE-2025-67851 High · 7.8 CWE-1236 Feb 3, 2026

Moodle: moodle: formula injection allows arbitrary formula execution via unescaped data export

A flaw was found in moodle. This formula injection vulnerability occurs when data fields are exported without proper escaping. A remote attacker could exploit this by providing malicious data that, when exported and opened in a spreadsheet, allows arbitrary formulas to execute. This can lead to compromised data integrity and unintended operations within the spreadsheet.

CVE-2025-67850 Medium · 6.1 CWE-79 Feb 3, 2026

Moodle: moodle: cross-site scripting vulnerability via inadequate input filtering in formula editor

A flaw was found in moodle. This vulnerability, known as Cross-Site Scripting (XSS), occurs due to insufficient checks on user-provided data in the formula editor's arithmetic expression fields. A remote attacker could inject malicious code into these fields. When other users view these expressions, the malicious code would execute in their web browsers, potentially compromising their data or leading to unauthorized actions.

CVE-2025-67849 Medium · 6.1 CWE-79 Feb 3, 2026

Moodle: moodle: cross-site scripting (xss) via improper sanitization of ai prompt responses

A flaw was found in Moodle. This cross-site scripting (XSS) vulnerability, caused by improper sanitization of AI prompt responses, allows attackers to inject malicious HTML or script into web pages. When other users view these compromised pages, their sessions could be stolen, or the user interface could be manipulated.

CVE-2025-67848 High · 8.1 CWE-280 Feb 3, 2026

Moodle: moodle: authentication bypass via lti provider allows suspended users to gain unauthorized access.

A flaw was found in Moodle. This authentication bypass vulnerability allows suspended users to authenticate through the Learning Tools Interoperability (LTI) Provider. The issue arises from the LTI authentication handlers failing to enforce the user's suspension status, enabling unauthorized access to the system. This can lead to information disclosure or other unauthorized actions by users who should be restricted.