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4.3

YUI Flash component lets attackers add malicious script

CVE-2010-4207 · published 16 years ago
Summary

Versions 2.4.0 through 2.8.1 of the Yahoo! User Interface library’s Flash charts can be tricked into running attacker‑supplied code. If a site uses this component—such as in Bugzilla, Moodle, or similar web applications—a remote user could insert unwanted web script or HTML, potentially stealing data or hijacking user sessions. Update to a newer YUI release or disable the Flash chart feature to eliminate the risk.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
Ecosystem VendorProductAffected versions
– yahoo yui 2.4.0
2.5.0
2.5.1
2.5.2
2.6.0
2.7.0
2.8.0
2.8.1
cpe:2.3:a:yahoo:yui:2.4.0:*:*:*:*:*:*:*
Ubuntu:16.04:LTS canonical loggerhead All versions
Ubuntu:16.04:LTS canonical webgui All versions
Original advisory text
Cross-site scripting (XSS) vulnerability in the Flash component infrastructure in YUI 2.4.0 through 2.8.1, as used in Bugzilla, Moodle, and other products, allows remote attackers to inject arbitra...
Cross-site scripting (XSS) vulnerability in the Flash component infrastructure in YUI 2.4.0 through 2.8.1, as used in Bugzilla, Moodle, and other products, allows remote attackers to inject arbitrary web script or HTML via vectors related to charts/assets/charts.swf.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
4.3 Medium
Exploitation
5% chance of attack within 30 days
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published7 Nov 2010
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2010-4207 · NVD
UBUNTU-CVE-2010-4207 · OSV
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