CVE-2013-7341: Moodle Cross-Site Scripting (XSS) Vulnerabilities
Summary
CVE-2013-7341: Moodle cross-site scripting (XSS) vulnerabilities. Affects moodle/moodle across 3 version ranges.
< 2.4.9
>= 2.5.0, < 2.5.5
>= 2.6.0, < 2.6.2
Fixed in 2.4.9, 2.5.5 or 2.6.2, 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 create interactive learning environments and engage with students. Moodle is written in PHP and utilizes various plugins and modules to extend its functionality. However, several versions of Moodle are vulnerable to cross-site scripting (XSS) attacks.
Vulnerability Detail
Multiple cross-site scripting (XSS) vulnerabilities have been discovered in Flowplayer Flash, a component used in Moodle versions 2.3.11, 2.4.x, 2.5.x, and 2.6.x. These vulnerabilities allow remote attackers to inject arbitrary web script or HTML into Moodle. The first vulnerability can be exploited by providing a crafted playerId, while the second vulnerability is related to referencing an external domain. These XSS vulnerabilities pose a moderate risk and can potentially lead to unauthorized access, data theft, or the execution of malicious code.
How To Fix
Fixed versions by release line
The minimum fixed version depends on the release line you run.
-
< 2.4.92.4.9composer require moodle/moodle:2.4.9 -
>= 2.5.0, < 2.5.52.5.5composer require moodle/moodle:2.5.5 -
>= 2.6.0, < 2.6.22.6.2composer require moodle/moodle:2.6.2
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Workaround
There is no specific workaround provided for these vulnerabilities. It is essential to apply the recommended updates to fix the XSS issues.
Conclusion
The discovered cross-site scripting (XSS) vulnerabilities in Moodle versions 2.3.11, 2.4.x, 2.5.x, and 2.6.x pose a moderate risk to the security of the platform. It is recommended to update to the respective fixed versions to mitigate these vulnerabilities. Regularly updating Moodle and staying informed about security patches is crucial for maintaining a secure learning environment. For further support and assistance in 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 web security vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users.
The vulnerabilities can be exploited by providing a crafted playerId or referencing an external domain, allowing attackers to inject arbitrary web script or HTML into Moodle.
The XSS vulnerabilities in Moodle can lead to unauthorized access, data theft, or the execution of malicious code.
To protect your Moodle installation, it is crucial to update to the recommended versions that include patches for the XSS vulnerabilities. Regularly applying updates and keeping the software up to date is essential for maintaining security.
References
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