CVE-2014-0218: Moodle cross-site scripting (XSS) vulnerability
Summary
CVE-2014-0218: Moodle cross-site scripting (XSS) vulnerability. Affects moodle/moodle across 3 version ranges.
< 2.4.10
>= 2.5.0, < 2.5.6
>= 2.6.0, < 2.6.3
Fixed in 2.4.10, 2.5.6 or 2.6.3, depending on the release line you run. How to fix ↓
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Background
Moodle is an open-source learning management system (LMS) used by educational institutions to create and deliver online courses. It provides a platform for educators to manage and organize course materials, assignments, quizzes, and communication with students. The Moodle package, available on Packagist, is a composer package that allows developers to easily install and integrate Moodle into their projects. This vulnerability affects Moodle versions prior to 2.4.10, 2.5.6, and 2.6.3.
Vulnerability Detail
The vulnerability identified as CVE-2014-0218 is a cross-site scripting (XSS) vulnerability in the URL downloader repository of Moodle. This vulnerability allows remote attackers to inject arbitrary web script or HTML into the application via unspecified vectors. The exact vectors of exploitation are not disclosed in the provided information. However, it is important to note that XSS vulnerabilities can lead to various malicious activities, such as stealing user credentials, executing unauthorized actions on behalf of the user, or defacing the website.
How To Fix
Fixed versions by release line
The minimum fixed version depends on the release line you run.
-
< 2.4.102.4.10composer require moodle/moodle:2.4.10 -
>= 2.5.0, < 2.5.62.5.6composer require moodle/moodle:2.5.6 -
>= 2.6.0, < 2.6.32.6.3composer require moodle/moodle:2.6.3
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Workaround
No specific workaround is mentioned in the provided information. However, as a general best practice, it is recommended to implement input validation and output encoding to prevent XSS attacks. Developers should sanitize user input and encode output to ensure that any potentially malicious scripts or HTML tags are treated as plain text and not executed by the browser.
Conclusion
The Moodle package is vulnerable to a cross-site scripting (XSS) vulnerability that allows remote attackers to inject arbitrary web script or HTML. To mitigate this vulnerability, it is crucial to upgrade Moodle to the patched versions (2.4.10, 2.5.6, or 2.6.3) and follow the official upgrade documentation. Implementing input validation and output encoding can also help prevent XSS attacks. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
Moodle is an open-source learning management system (LMS) used by educational institutions to create and deliver online courses.
Cross-site scripting (XSS) is a type of security vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users.
XSS vulnerabilities can lead to various malicious activities, such as stealing user credentials, executing unauthorized actions on behalf of the user, or defacing the website.
To fix the vulnerability, it is recommended to upgrade Moodle to the patched versions (2.4.10, 2.5.6, or 2.6.3) and follow the official upgrade documentation.
While no specific workaround is mentioned, implementing input validation and output encoding can help prevent XSS attacks.
References
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