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CVE-2013-4939

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Date: July 26, 2013

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.

Language: JS

Severity Score

Related Resources (7)

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-39678
https://nvd.nist.gov/vuln/detail/CVE-2013-4939
https://moodle.org/mod/forum/discuss.php?d=232496
https://lists.apache.org/thread.html/d8b9403dbab85a51255614949938b619bd03b1c944c76c48c6996a0e%40%3Cdev.zookeeper.apache.org%3E
https://lists.apache.org/thread.html/72837f969cdf9b63a7e7337edd069fa3b3950eea7c997cc2ff61aa0c%40%3Cissues.zookeeper.apache.org%3E
http://yuilibrary.com/support/20130515-vulnerability/
https://www.mend.io/vulnerability-database/CVE-2013-4939

Severity Score

Weakness Type (CWE)

Cross-Site Scripting (XSS)

CWE-79

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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