CVE-2003-0447

Internet Explorer 5.01-6.0 - Remote Code Execution via Custom HTTP Errors

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2003-0447. PoCs published by GreyMagic Software.

AI-analyzed exploit summary This exploit leverages a vulnerability in Microsoft Internet Explorer's handling of custom HTTP error messages to inject and execute arbitrary JavaScript code. The PoC demonstrates HTML injection via malformed URLs in 'res://' protocol handlers, potentially leading to cookie theft or other client-side attacks.

Description

The Custom HTTP Errors capability in Internet Explorer 5.01, 5.5 and 6.0 allows remote attackers to execute script in the Local Zone via an argument to shdocvw.dll that causes a "javascript:" link to be generated.

Exploits (1)

exploitdb WORKING POC VERIFIED
by GreyMagic Software · textremotewindows
https://www.exploit-db.com/exploits/22784

This exploit leverages a vulnerability in Microsoft Internet Explorer's handling of custom HTTP error messages to inject and execute arbitrary JavaScript code. The PoC demonstrates HTML injection via malformed URLs in 'res://' protocol handlers, potentially leading to cookie theft or other client-side attacks.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Internet Explorer (versions affected by CVE-2003-0447)
No auth needed
Prerequisites: Victim must be using a vulnerable version of Internet Explorer · Victim must be tricked into clicking a malicious link or visiting a crafted page
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=105585933614773&w=2
Exploit, Vendor Advisory x_refsource_misc
http://security.greymagic.com/adv/gm014-ie/
Mailing List mailing-list x_refsource_ntbugtraq
http://marc.info/?l=ntbugtraq&m=105585142406147&w=2
Mailing List mailing-list x_refsource_fulldisc
http://lists.grok.org.uk/pipermail/full-disclosure/2003-June/005763.html

Scores

EPSS 0.1368
EPSS Percentile 96.0%

Details

Status published
Products (3)
microsoft/internet_explorer 5.01
microsoft/internet_explorer 5.5
microsoft/internet_explorer 6.0
Published Jul 24, 2003
Tracked Since Feb 18, 2026