Moderate severityNVD Advisory· Published Jul 29, 2013· Updated Jun 16, 2026
CVE-2013-4939
CVE-2013-4939
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
yuinpm | < 3.10.3 | 3.10.3 |
Affected products
59cpe:2.3:a:moodle:moodle:2.1.0:*:*:*:*:*:*:*+ 35 more
- cpe:2.3:a:moodle:moodle:2.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.1.10:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.1.6:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.1.7:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.1.8:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.1.9:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.2.10:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.2.7:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.2.8:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.2.9:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.3.5:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.3.6:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.3.7:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.4.4:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.5.0:*:*:*:*:*:*:*
cpe:2.3:a:yahoo:yui:3.0.0:*:*:*:*:*:*:*+ 21 more
- cpe:2.3:a:yahoo:yui:3.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:yahoo:yui:3.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:yahoo:yui:3.10.0:*:*:*:*:*:*:*
- cpe:2.3:a:yahoo:yui:3.10.1:*:*:*:*:*:*:*
- cpe:2.3:a:yahoo:yui:3.10.2:*:*:*:*:*:*:*
- cpe:2.3:a:yahoo:yui:3.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:yahoo:yui:3.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:yahoo:yui:3.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:yahoo:yui:3.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:yahoo:yui:3.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:yahoo:yui:3.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:yahoo:yui:3.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:yahoo:yui:3.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:yahoo:yui:3.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:yahoo:yui:3.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:yahoo:yui:3.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:yahoo:yui:3.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:yahoo:yui:3.7.3:*:*:*:*:*:*:*
- cpe:2.3:a:yahoo:yui:3.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:yahoo:yui:3.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:yahoo:yui:3.9.0:*:*:*:*:*:*:*
- cpe:2.3:a:yahoo:yui:3.9.1:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
11- yuilibrary.com/support/20130515-vulnerability/nvdPatchVendor Advisory
- github.com/advisories/GHSA-mj87-8xf8-fp4wghsaADVISORY
- moodle.org/mod/forum/discuss.phpnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2013-4939ghsaADVISORY
- yuilibrary.com/support/20130515-vulnerabilityghsaWEB
- lists.apache.org/thread.html/72837f969cdf9b63a7e7337edd069fa3b3950eea7c997cc2ff61aa0c@%3Cissues.zookeeper.apache.org%3EghsaWEB
- lists.apache.org/thread.html/d8b9403dbab85a51255614949938b619bd03b1c944c76c48c6996a0e@%3Cdev.zookeeper.apache.org%3EghsaWEB
- www.npmjs.com/advisories/332ghsaWEB
- yuilibrary.com/support/20130515-vulnerabilityghsaWEB
- lists.apache.org/thread.html/72837f969cdf9b63a7e7337edd069fa3b3950eea7c997cc2ff61aa0c%40%3Cissues.zookeeper.apache.org%3Envd
- lists.apache.org/thread.html/d8b9403dbab85a51255614949938b619bd03b1c944c76c48c6996a0e%40%3Cdev.zookeeper.apache.org%3Envd
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