CVE-2013-4939: XSS

Published 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.

Affected Software

58 affected components

Moodle moodle=2.1.0

Moodle moodle=2.1.1

Moodle moodle=2.1.2

Moodle moodle=2.1.3

Moodle moodle=2.1.4

Moodle moodle=2.1.5

Moodle moodle=2.1.6

Moodle moodle=2.1.7

Moodle moodle=2.1.8

Moodle moodle=2.1.9

Moodle moodle=2.1.10

Moodle moodle=2.2.0

Moodle moodle=2.2.1

Moodle moodle=2.2.2

Moodle moodle=2.2.3

Moodle moodle=2.2.4

Moodle moodle=2.2.5

Moodle moodle=2.2.6

Moodle moodle=2.2.7

Moodle moodle=2.2.8

Moodle moodle=2.2.9

Moodle moodle=2.2.10

Moodle moodle=2.3.0

Moodle moodle=2.3.1

Moodle moodle=2.3.2

Moodle moodle=2.3.3

Moodle moodle=2.3.4

Moodle moodle=2.3.5

Moodle moodle=2.3.6

Moodle moodle=2.3.7

Moodle moodle=2.4.0

Moodle moodle=2.4.1

Moodle moodle=2.4.2

Moodle moodle=2.4.3

Moodle moodle=2.4.4

Moodle 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

Remediation

Patch Available

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

Event History

Jul 26, 2013

CVE Published

via MITRE·10:00 PM

Data Sourced

via MITRE·10:00 PM

Description

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.