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CVE-2009-4130

16
FAUCET Score

CVE-2009-4130 describes a visual truncation vulnerability in the MakeScriptDialogTitle function within nsGlobalWindow.cpp in Mozilla Firefox. This flaw allows remote attackers to spoof the origin domain name of a script by using an excessively long name, potentially misleading users about the source of content. With a CVSS score of 5.8, this vulnerability is of medium severity, requiring medium attack complexity and potentially impacting integrity and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.8MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.99%
Probability of exploitation in next 30 days
EPSS Percentile
59.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0099 is in the 18th percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Vendor Advisories (1)

redhatCVE-2009-4130Low

firefox: script origin domain name spoofing vulnerability

Dec 5, 2009

References

archives.neohapsis.com / archives/bugtraq/2009-12/0104.html
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/54612
securityfocus.com / bid/37232