VulnerabilityModified

CVE-2005-4809

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 ✓MEDIUM 5.0EPSS 6.14%

Does this matter?

A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 6.1%. Treat it as high on anything reachable from the internet.

Description

CVSS 2.0: 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
EPSS: 6.14% probability · 93th percentile
Public exploits: 1 in Exploit-DB · verified · first 14 March 2005
CISA KEV: Not listed
Affected: mozilla/firefox · mozilla/mozilla · mozilla/thunderbird
Source: cve@mitre.org

EPSS trend

EPSS 6.1% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-ID	Title	Type	Published	Verified
EDB-25221 source ↗	Mozilla Suite/Firefox/Thunderbird - Nested Anchor Tag Status Bar Spoofinglinux · bitlance winter	remote	14 March 2005	yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.