CVE-2013-4942
YUI Cross-site Scripting (XSS) vulnerability
EPSS 1.2%
Description
Cross-site scripting (XSS) vulnerability in flashuploader.swf in the Uploader component in Yahoo! YUI 3.5.0 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.
How to fix CVE-2013-4942
To remediate CVE-2013-4942, upgrade the affected package to a fixed version below.
- Packagist/moodle/moodle—upgrade to 2.2.11 or later
- npm/yui—no fix listed
Is CVE-2013-4942 being exploited?
Low — EPSS is 1.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.2.11
- >= 3.2.0, <= 3.9.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N |