CVE-2005-4809

Mozilla Firefox 1.0.1 and possibly other versions, including Mozilla and Thunderbird, allows...

5.0 MediumPublic exploit

Mozilla Firefox 1.0.1 and possibly other versions, including Mozilla and Thunderbird, allows remote attackers to spoof the URL in the Status Bar via an A HREF tag that contains a TABLE tag that contains another A tag.

Exploit likelihood

6.14%Down 0.7 points since Feb 4, 2022

What each source reports

NVD Score used 5.0

Record: CVE-2005-4809
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:P/A:N
Updated: 2026-11-02

CVE List No score

Record: CVE-2005-4809
Updated: 2026-11-02

EUVDEUVD-2005-4802 No score

Record: EUVD-2005-4802
Updated: 2026-11-03

GitHub AdvisoriesGHSA-96x7-cmg8-h727 No score

Mozilla Firefox 1.0.1 and possibly other versions, including Mozilla and Thunderbird, allows...

Record: GHSA-96x7-cmg8-h727
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Mozilla Suite/Firefox/Thunderbird - Nested Anchor Tag Status Bar Spoofing	2005-03-14

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2005-4809 is a medium vulnerability (CVSS 5.0) in Mozilla Firefox, published December 31, 2005. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.14%, the 93rd percentile. No source names a fixed version.