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CVE-2010-4209

18
FAUCET Score

CVE-2010-4209 describes a Cross-Site Scripting (XSS) vulnerability within the Flash component infrastructure of YUI versions 2.8.0 to 2.8.1, which is also utilized in Bugzilla versions 3.7.1 through 3.7.3 and 4.1. This flaw allows remote attackers to inject arbitrary web script or HTML through vectors related to swfstore/swfstore.swf. The vulnerability has a CVSS score of 4.3 (Medium), indicating a network-based attack with medium complexity and requiring no authentication, leading to a partial impact on integrity. Its EPSS score is low, suggesting a minimal probability of exploitation. There is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are also negligible, indicating a low level of public attention.

Impacted Technologies

VendorProductVersion(s)CPE
2.8.0CPE matchmatch criteria
cpe:2.3:a:yahoo:yui:2.8.0:*:*:*:*:*:*:*
2.8.1CPE matchmatch criteria
cpe:2.3:a:yahoo:yui:2.8.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.27%
Probability of exploitation in next 30 days
EPSS Percentile
90.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0427 is in the 87th percentile among its peer group of 19,954 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

lists.fedoraproject.org / pipermail/package-announce/2010-November/050813.html
lists.fedoraproject.org / pipermail/package-announce/2010-November/050820.html
lists.fedoraproject.org / pipermail/package-announce/2010-November/050830.html
lists.opensuse.org / opensuse-security-announce/2010-11/msg00005.html
secunia.com / advisories/41955
Vendor Advisory
secunia.com / advisories/42271
bugzilla.org / security/3.2.8
openwall.com / lists/oss-security/2010/11/07/1
securityfocus.com / archive/1/514622
securityfocus.com / bid/44420
securitytracker.com / id
vupen.com / english/advisories/2010/2878
Vendor Advisory
vupen.com / english/advisories/2010/2975
yuilibrary.com / support/2.8.2
PatchVendor Advisory