Moodle Security Vulnerabilities (CVEs)

Track 75 security vulnerabilities affecting Moodle products and software. Get instant email alerts when new CVEs are discovered, automated security monitoring, and patch guidance.

9 Critical
32 High
33 Medium
1 Low
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CVE-2024-34006 4.3

This CVE describes a cross-site scripting (XSS) vulnerability in Moodle's site log report where HTML content in event descriptions isn't properly enco...

May 31, 2024
CVE-2024-34007 8.8

This CSRF vulnerability in MFA logout allows attackers to forcibly log out authenticated users by tricking them into clicking malicious links. It affe...

May 31, 2024
CVE-2024-34009 7.5

This vulnerability allows attackers to bypass ReCAPTCHA protection on the login page of affected systems, potentially enabling brute-force attacks or ...

May 31, 2024
CVE-2024-34001 8.4

This CVE describes a Cross-Site Request Forgery (CSRF) vulnerability in Moodle's admin preset tool where actions lack anti-CSRF tokens. Attackers can ...

May 31, 2024
CVE-2024-33997 6.1

This stored cross-site scripting (XSS) vulnerability in Moodle's equation editor allows attackers to inject malicious scripts when editing another use...

May 31, 2024
CVE-2024-33999 9.8

This vulnerability in Moodle's MFA system allows attackers to bypass multi-factor authentication by manipulating the referrer URL. It affects Moodle i...

May 31, 2024
CVE-2024-25978 7.5

This vulnerability in Moodle's file picker unzip functionality allows attackers to cause denial of service by uploading specially crafted zip files th...

Feb 19, 2024
CVE-2023-35133 7.5

This CVE describes a Server-Side Request Forgery (SSRF) vulnerability in Moodle's cURL blocked hosts list logic. The flaw allows attackers to bypass I...

Jun 22, 2023
CVE-2023-28332 6.1

This CVE describes a cross-site scripting (XSS) vulnerability in Moodle's algebra filter feature. When the algebra filter is enabled but not properly ...

Mar 23, 2023
CVE-2023-28333 9.8

CVE-2023-28333 is a Mustache template injection vulnerability in Moodle's pix helper that could allow remote code execution if user input is improperl...

Mar 23, 2023
CVE-2023-28330 6.5

CVE-2023-28330 is an insufficient input sanitization vulnerability in backup functionality that allows authenticated users with teacher, manager, or a...

Mar 23, 2023
CVE-2021-36392 9.8

CVE-2021-36392 is a critical SQL injection vulnerability in Moodle's user enrollment library that allows attackers to execute arbitrary SQL queries. T...

Mar 6, 2023
CVE-2021-36394 9.8

CVE-2021-36394 is a critical remote code execution vulnerability in Moodle's Shibboleth authentication plugin. Attackers can execute arbitrary code on...

Mar 6, 2023
CVE-2021-36396 7.5

This vulnerability in Moodle allows attackers to bypass cURL security restrictions through insufficient redirect handling, enabling blind Server-Side ...

Mar 6, 2023
CVE-2023-23923 8.2

This Moodle vulnerability allows remote attackers to set the 'start page' preference for other users, bypassing intended access controls. Attackers ca...

Feb 17, 2023
CVE-2022-35649 9.8

This critical Moodle vulnerability allows remote code execution through improper PostScript parsing in GhostScript. Attackers can exploit it to take c...

Jul 25, 2022
CVE-2022-30599 9.8

CVE-2022-30599 is a critical SQL injection vulnerability in Moodle's badges functionality that allows attackers to execute arbitrary SQL commands. Thi...

May 18, 2022
CVE-2022-0983 8.8

This CVE describes an SQL injection vulnerability in Badges code related to configuring criteria. It allows authenticated users with teacher or manage...

Mar 25, 2022
CVE-2021-32476 7.5

This vulnerability in Moodle's draft files area allows attackers to cause denial-of-service by bypassing user file upload limits. It affects Moodle in...

Mar 11, 2022
CVE-2021-32474 7.2

This SQL injection vulnerability in Moodle allows attackers to execute arbitrary SQL commands via XML-RPC calls when MNet (Moodle Network) is enabled ...

Mar 11, 2022
CVE-2022-0332 9.8

This SQL injection vulnerability in Moodle's H5P activity web service allows attackers to execute arbitrary SQL commands. It affects Moodle installati...

Jan 25, 2022
CVE-2022-0335 8.8

This Cross-Site Request Forgery (CSRF) vulnerability in Moodle allows attackers to trick authenticated users into unknowingly deleting badge alignment...

Jan 25, 2022
CVE-2021-43559 8.8

This CVE describes a Cross-Site Request Forgery (CSRF) vulnerability in Moodle's badge deletion functionality. Attackers can trick authenticated users...

Nov 22, 2021
CVE-2021-3943 9.8

This vulnerability allows remote attackers to execute arbitrary code on Moodle servers by exploiting improper input validation during backup file rest...

Nov 22, 2021
CVE-2021-21809 9.1

This vulnerability allows authenticated administrators in Moodle to execute arbitrary commands on the server through the legacy spellchecker plugin. A...

Jun 23, 2021

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