Vulnerability Report

CVE-2003-1031

Title: vBulletin XSS via optional fields

XSS

Proof Of Concept

PoC Available for CVE-2003-1031

CWE Category NVD-CWE-noinfo

Published Date Feb 17, 2004

Modified Date Jun 16, 2026

Exploit Status Available

Score 4.3 CVSS v2.0

Exploit Probability (EPSS)

1.39%

Vulnerability Summary

CVE-2003-1031: Cross-site scripting (XSS) vulnerability in register.php for vBulletin 3.0 Beta 2 allows remote attackers to inject arbitrary HTML or web script via optional fields such as (1) "Interests-Hobbies", (2) "Biography", or (3) "Occupation."

Impacted Vendors

jelsoft 1

vbulletin 1

Reference Links

http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0078.html http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0078.html

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

4.3

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2003-1031 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/22990

View Code

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 03, 2025 MODIFIED

Vulnerability data or affected products updated.

February 17, 2004 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected Stack

No specific products linked.