CVE-2005-4809

NONECVSS 0.0Weaponized

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 93.3%
KEV: Not listed

Published

December 31, 2005

Last Modified

April 16, 2026

References (14)

cve@mitrehttp://marc.info/?l=full-disclosure&m=111073068631287&w=2
cve@mitrehttp://secunia.com/advisories/14568
cve@mitrehttp://securitytracker.com/id?1013423
cve@mitrehttp://www.osvdb.org/14885
cve@mitrehttp://www.securityfocus.com/bid/12798
cve@mitrehttp://www.vupen.com/english/advisories/2005/0260
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/19540
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=full-disclosure&m=111073068631287&w=2
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/14568
af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1013423
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/14885
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/12798
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2005/0260
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/19540

Data Freshness Timeline

(refreshed 10× in last 7d / 16× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-21 22:38 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-25221✓ verified
First seen Mar 14, 2005
Mozilla Suite/Firefox/Thunderbird - Nested Anchor Tag Status Bar Spoofing
Open source ↗

Frequently asked(4)

What is CVE-2005-4809?

CVE-2005-4809 is a none vulnerability published on December 31, 2005. 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.

When was CVE-2005-4809 disclosed?

CVE-2005-4809 was first published in the National Vulnerability Database on December 31, 2005, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2005-4809 actively exploited?

CVE-2005-4809 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 93.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2005-4809?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2005-4809, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2005-4809

📅 Published

🔄 Last Modified

🔗 References (14)