Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2009-2654

29
FAUCET Score

CVE-2009-2654 describes a vulnerability in Mozilla Firefox versions prior to 3.0.13 and 3.5.2, allowing remote attackers to spoof the address bar through a specially crafted web page, potentially facilitating phishing attacks. The attack involves manipulating window.open, document.write, and the stop method during error page loading. This vulnerability has a CVSS score of 5.8, indicating a medium severity with network access, medium complexity, and potential for partial integrity and availability impact. While not listed on the KEV catalog, an exploit for address bar URI spoofing in Firefox 3.5.1 is available on ExploitDB, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.5.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
0.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.1:*:*:*:*:*:*:*
0.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.2:*:*:*:*:*:*:*
0.3CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.3:*:*:*:*:*:*:*
0.4CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.4:*:*:*:*:*:*:*

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
4.75%
Probability of exploitation in next 30 days
EPSS Percentile
90.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-33103 · Jun 24, 2009
This CVE's current EPSS score of 0.0474 is in the 89th percentile among its peer group of 19,958 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

Patch Available

Vendor Patches (8)

mozillapatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: seamonkey-0:1.0.9-0.45.el3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:3.0.14-1.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: nspr-0:4.7.5-1.el4_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: seamonkey-0:1.0.9-48.el4_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:3.0.14-1.el5_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: nspr-0:4.7.5-1.el5_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xulrunner-0:1.9.0.14-1.el5_4
View patch

Vendor Advisories (1)

redhatCVE-2009-2654Moderate

firefox: URL bar spoofing vulnerability

Jul 24, 2009

References

blog.mozilla.com / security/2009/07/28/url-bar-spoofing-vulnerability
PatchVendor Advisory
es.geocities.com / jplopezy/firefoxspoofing.html
osvdb.org / 56717
bugzilla.mozilla.org / show_bug.cgi
secunia.com / advisories/36001
Vendor Advisory
secunia.com / advisories/36126
Vendor Advisory
secunia.com / advisories/36141
Vendor Advisory
secunia.com / advisories/36435
Vendor Advisory
secunia.com / advisories/36669
secunia.com / advisories/36670
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9686
sunsolve.sun.com / search/document.do
usn.ubuntu.com / 811-1
redhat.com / archives/fedora-package-announce/2009-August/msg00198.html
redhat.com / archives/fedora-package-announce/2009-August/msg00261.html
debian.org / security/2009/dsa-1873
mozilla.org / security/announce/2009/mfsa2009-44.html
PatchVendor Advisory
redhat.com / support/errata/RHSA-2009-1430.html
redhat.com / support/errata/RHSA-2009-1431.html
redhat.com / support/errata/RHSA-2009-1432.html
securityfocus.com / archive/1/505242/30/0/threaded
Exploit
securityfocus.com / archive/1/505265
securityfocus.com / bid/35803
ExploitPatch
securitytracker.com / id
vupen.com / english/advisories/2009/2006
PatchVendor Advisory
vupen.com / english/advisories/2009/2142
PatchVendor Advisory