CVE-2009-2654
Mozilla Firefox before 3.0.13, and 3.5.x before 3.5.2, allows remote attackers to spoof the address bar, and possibly conduct phishing attacks, via a crafted web page that calls window.open with an invalid character in the URL, makes document.write calls to the resulting object, and then calls the stop method during the loading of the error page.
Key facts
- CVSS score
- 5.8 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:P- Weakness (CWE)
- CWE-20
- EPSS score
- 4.7% (92th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-2648)
- Published
- August 3, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-2648 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
and 58 more…
References
- http://blog.mozilla.com/security/2009/07/28/url-bar-spoofing-vulnerability/(Patch, Vendor Advisory)
- http://es.geocities.com/jplopezy/firefoxspoofing.html
- http://osvdb.org/56717
- http://secunia.com/advisories/36001(Vendor Advisory)
- http://secunia.com/advisories/36126(Vendor Advisory)
- http://secunia.com/advisories/36141(Vendor Advisory)
- http://secunia.com/advisories/36435(Vendor Advisory)
- http://secunia.com/advisories/36669
- http://secunia.com/advisories/36670
- http://sunsolve.sun.com/search/document.do?assetkey=1-66-266148-1
- http://www.debian.org/security/2009/dsa-1873
- http://www.mozilla.org/security/announce/2009/mfsa2009-44.html(Patch, Vendor Advisory)
- http://www.redhat.com/support/errata/RHSA-2009-1430.html
- http://www.redhat.com/support/errata/RHSA-2009-1431.html
- http://www.redhat.com/support/errata/RHSA-2009-1432.html
- http://www.securityfocus.com/archive/1/505242/30/0/threaded(Exploit)
- http://www.securityfocus.com/archive/1/505265
- http://www.securityfocus.com/bid/35803(Exploit, Patch)
- http://www.securitytracker.com/id?1022603
- http://www.vupen.com/english/advisories/2009/2006(Patch, Vendor Advisory)
- http://www.vupen.com/english/advisories/2009/2142(Patch, Vendor Advisory)
- https://bugzilla.mozilla.org/show_bug.cgi?id=451898
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9686
- https://usn.ubuntu.com/811-1/
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00198.html
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00261.html
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain