CVE-2006-0442

MyBB 1.02 - Cross-Site Scripting via usercp.php Notepad and Signature Parameters

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2006-0442. PoCs published by Roozbeh Afrasiabi.

AI-analyzed exploit summary This exploit demonstrates an HTML injection vulnerability in MyBB due to insufficient input sanitization. The PoC injects a script tag into the 'notepad' parameter, which executes arbitrary JavaScript in the context of the affected site.

Description

Multiple cross-site scripting (XSS) vulnerabilities in usercp.php in MyBulletinBoard (MyBB) 1.02 allow remote attackers to inject arbitrary web script or HTML via the (1) notepad parameter in a notepad action and (2) signature parameter in an editsig action. NOTE: These are different attack vectors, and probably a different vulnerability, than CVE-2006-0218 and CVE-2006-0219.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Roozbeh Afrasiabi · textwebappsphp
https://www.exploit-db.com/exploits/27122

This exploit demonstrates an HTML injection vulnerability in MyBB due to insufficient input sanitization. The PoC injects a script tag into the 'notepad' parameter, which executes arbitrary JavaScript in the context of the affected site.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: MyBB (version not specified)
Auth required
Prerequisites: User authentication to access the notepad feature
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (6)

Core 6
Core References
Exploit, Vendor Advisory x_refsource_misc
http://kapda.ir/advisory-241.html
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/18603
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/423128/100/0/threaded
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1015535
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2006/0316
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/16361

Scores

EPSS 0.0184
EPSS Percentile 76.2%

Details

CWE
CWE-79
Status published
Products (1)
mybb/mybb 1.0.2
Published Jan 26, 2006
Tracked Since Feb 18, 2026