Description
Cross-site scripting (XSS) vulnerability in io.swf in the IO Utility component in Yahoo! YUI 3.10.2, 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. NOTE: this vulnerability exists because of a CVE-2013-4939 regression.
Remediation
References
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-39678
http://yuilibrary.com/support/20130515-vulnerability/
https://moodle.org/mod/forum/discuss.php?d=232496
Related Vulnerabilities
CVE-2020-6836 Vulnerability in maven package org.webjars.npm:hot-formula-parser
CVE-2021-41571 Vulnerability in maven package org.apache.pulsar:pulsar
CVE-2021-3822 Vulnerability in npm package jsoneditor
CVE-2019-19919 Vulnerability in npm package handlebars
CVE-2013-2067 Vulnerability in maven package org.apache.tomcat:tomcat-catalina