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CVE-2013-4940

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...

Published: Jul 26, 2013Updated: Apr 29, 2026 Sources: CVE List NVD GHSACWE-79
4.3MEDIUM
NVD MITRE
EPSS Score
1.5%
Top 28.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

YUI Cross-site Scripting (XSS) vulnerability

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:MAu:NC:NI:PA:N
Exploitability
AV:NAccess Vector
Network
AC:MAccess Complexity
Medium
Au:NAuthentication
None
Impact
C:NConfidentiality
None
I:PIntegrity
Partial
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-79

Affected Products

npm
package-ecosystem
yui
OSS Libraries
Packagist
package-ecosystem
moodle/moodleWeb App
Web & CMS Plugins / cms-core
moodle
oss-project·AUaka lms, jmol plugin
moodleOn-premWeb App
Web & CMS Plugins / cms-core
yahoo
commercial·US
yuiLibrary
Communications
and 1 more affected products View all →

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2013-4940
nvd.nist.gov
https://moodle.org/mod/forum/discuss.php?d=232496
moodle.org
https://web.archive.org/web/20130909203912/http://yuilibrary.com/support/20130515-vulnerability
web.archive.org
and 2 more references View all →

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