Moderate severityNVD Advisory· Published Jul 29, 2013· Updated Jun 16, 2026
CVE-2013-4940
CVE-2013-4940
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.
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 | >= 3.0.0, < 3.10.11 | 3.10.11 |
yuinpm | >= 3.10.12, < 3.10.13 | 3.10.13 |
moodle/moodlePackagist | < 2.2.11 | 2.2.11 |
moodle/moodlePackagist | >= 2.3.0, < 2.3.8 | 2.3.8 |
moodle/moodlePackagist | >= 2.4.0-rc1, < 2.4.5 | 2.4.5 |
moodle/moodlePackagist | >= 2.5.0-beta, < 2.5.1 | 2.5.1 |
Affected products
60cpe: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:*:*:*:*:*:*:*
- ghsa-coords2 versions
< 2.2.11+ 1 more
- (no CPE)range: < 2.2.11
- (no CPE)range: >= 3.0.0, < 3.10.11
Patches
Vulnerability mechanics
References
5- yuilibrary.com/support/20130515-vulnerability/nvdPatchVendor Advisory
- github.com/advisories/GHSA-x5hj-47vv-53p8ghsaADVISORY
- moodle.org/mod/forum/discuss.phpnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2013-4940ghsaADVISORY
- web.archive.org/web/20130909203912/http://yuilibrary.com/support/20130515-vulnerabilityghsaWEB
News mentions
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