CVE-2005-4809

Mozilla Firefox 1.0.1 - URL Spoofing via Nested A and TABLE Tags

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2005-4809. PoCs published by bitlance winter.

AI-analyzed exploit summary This exploit demonstrates a URI obfuscation weakness in Mozilla Suite/Firefox and Thunderbird, where the 'Save Link As...' functionality can be manipulated to display false information in the status bar. The PoC uses nested anchor tags to deceive users into believing a download originates from a trusted source.

Description

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.

Exploits (1)

exploitdb WORKING POC VERIFIED
by bitlance winter · textremotelinux
https://www.exploit-db.com/exploits/25221

This exploit demonstrates a URI obfuscation weakness in Mozilla Suite/Firefox and Thunderbird, where the 'Save Link As...' functionality can be manipulated to display false information in the status bar. The PoC uses nested anchor tags to deceive users into believing a download originates from a trusted source.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: Mozilla Suite/Firefox and Thunderbird (versions up to 1.01)
No auth needed
Prerequisites: User interaction (right-click and 'Save Link As...')
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (7)

Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/19540
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/14568
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/12798
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1013423
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/14885
Mailing List mailing-list x_refsource_fulldisc
http://marc.info/?l=full-disclosure&m=111073068631287&w=2
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2005/0260

Scores

EPSS 0.0589
EPSS Percentile 92.3%

Details

Status published
Products (23)
mozilla/firefox 0.8
mozilla/firefox 0.9 (2 CPE variants)
mozilla/firefox 0.9.1
mozilla/firefox 0.9.2
mozilla/firefox 0.9.3
mozilla/firefox 0.10
mozilla/firefox 0.10.1
mozilla/firefox 1.0
mozilla/firefox 1.0.1
mozilla/firefox preview_release
... and 13 more
Published Dec 31, 2005
Tracked Since Feb 18, 2026