CVE-2004-0820

EXPLOITED

Winamp < 5.0.4 - Remote Code Execution via Malicious Skin File

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2004-0820 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 1 public exploit from researchers including Petrol Designs.

AI-analyzed exploit summary This exploit leverages a vulnerability in Winamp (CVE-2004-0820) by tricking the user into loading a malicious skin file (foo.wsz) that executes an arbitrary executable (file.exe) via an embedded HTML object. The attack chain involves a phishing-like redirect (load.php) to deliver the malicious skin.

Description

Winamp before 5.0.4 allows remote attackers to execute arbitrary script in the Local computer zone via script in HTML files that are referenced from XML files contained in a .wsz skin file.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Petrol Designs · cremotewindows
https://www.exploit-db.com/exploits/418

This exploit leverages a vulnerability in Winamp (CVE-2004-0820) by tricking the user into loading a malicious skin file (foo.wsz) that executes an arbitrary executable (file.exe) via an embedded HTML object. The attack chain involves a phishing-like redirect (load.php) to deliver the malicious skin.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Winamp < 5.05
No auth needed
Prerequisites: User interaction to load the malicious skin file · Winamp installed and vulnerable version in use
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Patch, Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/12381/
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/17124
Patch, Vendor Advisory third-party-advisory x_refsource_auscert
http://www.auscert.org.au/render.html?it=4338
Patch, Vendor Advisory x_refsource_misc
http://www.frsirt.com/exploits/08252004.skinhead.php

Scores

EPSS 0.0215
EPSS Percentile 84.7%

Details

VulnCheck KEV 2004-08-25
Status published
Products (29)
nullsoft/winamp 2.4
nullsoft/winamp 2.5e
nullsoft/winamp 2.10
nullsoft/winamp 2.24
nullsoft/winamp 2.50
nullsoft/winamp 2.60 (2 CPE variants)
nullsoft/winamp 2.61
nullsoft/winamp 2.62
nullsoft/winamp 2.64 (2 CPE variants)
nullsoft/winamp 2.65
... and 19 more
Published Aug 28, 2004
Tracked Since Feb 18, 2026