medium
4.3
CWE
79
Advisory Published
Updated

CVE-2013-4939: XSS

First published: Fri Jul 26 2013(Updated: )

Cross-site scripting (XSS) vulnerability in io.swf in the IO Utility component in Yahoo! YUI 3.0.0 through 3.9.1, as used in Moodle through 2.1.10, 2.2.x before 2.2.11, 2.3.x before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.1, and other products, allows remote attackers to inject arbitrary web script or HTML via a crafted string in a URL.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Moodle=2.1.0
Moodle=2.1.1
Moodle=2.1.2
Moodle=2.1.3
Moodle=2.1.4
Moodle=2.1.5
Moodle=2.1.6
Moodle=2.1.7
Moodle=2.1.8
Moodle=2.1.9
Moodle=2.1.10
Moodle=2.2.0
Moodle=2.2.1
Moodle=2.2.2
Moodle=2.2.3
Moodle=2.2.4
Moodle=2.2.5
Moodle=2.2.6
Moodle=2.2.7
Moodle=2.2.8
Moodle=2.2.9
Moodle=2.2.10
Moodle=2.3.0
Moodle=2.3.1
Moodle=2.3.2
Moodle=2.3.3
Moodle=2.3.4
Moodle=2.3.5
Moodle=2.3.6
Moodle=2.3.7
Moodle=2.4.0
Moodle=2.4.1
Moodle=2.4.2
Moodle=2.4.3
Moodle=2.4.4
Moodle=2.5.0
Yahoo Yui=3.0.0
Yahoo Yui=3.1.0
Yahoo Yui=3.1.1
Yahoo Yui=3.1.2
Yahoo Yui=3.2.0
Yahoo Yui=3.3.0
Yahoo Yui=3.4.0
Yahoo Yui=3.4.1
Yahoo Yui=3.5.0
Yahoo Yui=3.5.1
Yahoo Yui=3.6.0
Yahoo Yui=3.7.0
Yahoo Yui=3.7.1
Yahoo Yui=3.7.2
Yahoo Yui=3.7.3
Yahoo Yui=3.8.0
Yahoo Yui=3.8.1
Yahoo Yui=3.9.0
Yahoo Yui=3.9.1
Yahoo Yui=3.10.0
Yahoo Yui=3.10.1
Yahoo Yui=3.10.2

Remedy

http://yuilibrary.com/support/20130515-vulnerability/

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2013-4939?

    CVE-2013-4939 is classified as a moderate severity cross-site scripting (XSS) vulnerability.

  • How do I fix CVE-2013-4939?

    To fix CVE-2013-4939, upgrade to a patched version of Moodle or Yahoo! YUI that addresses this vulnerability.

  • What software versions are affected by CVE-2013-4939?

    CVE-2013-4939 affects Yahoo! YUI versions 3.0.0 through 3.9.1 and Moodle versions before 2.2.11, 2.3.8, 2.4.5, 2.5.1, and others.

  • What type of vulnerability is CVE-2013-4939?

    CVE-2013-4939 is a cross-site scripting (XSS) vulnerability that can allow remote attackers to inject arbitrary web scripts.

  • Can I exploit CVE-2013-4939?

    Yes, CVE-2013-4939 can be exploited by attackers to execute malicious scripts in the context of users' browsers.

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