CVE-2006-4449

Cross-site scripting (XSS) vulnerability in attachment.php in MyBulletinBoard (MyBB) 1.1.7 and...

5.1 MediumPublic exploit

Cross-site scripting (XSS) vulnerability in attachment.php in MyBulletinBoard (MyBB) 1.1.7 and possibly other versions allows remote attackers to inject arbitrary web script or HTML via a GIF image that contains URL-encoded Javascript, which is rendered by Internet Explorer.

Exploit likelihood

2.30%Down 0.6 points since Feb 4, 2022

What each source reports

NVD Score used 5.1

Record: CVE-2006-4449
CVSS 2.0: 5.1 MediumAV:N/AC:H/Au:N/C:P/I:P/A:P
Updated: 2026-11-02

CVE List No score

Record: CVE-2006-4449
Updated: 2026-11-02

EUVDEUVD-2006-4437 No score

Record: EUVD-2006-4437
Updated: 2026-11-03

GitHub AdvisoriesGHSA-w5xq-qgqm-hj39 No score

Cross-site scripting (XSS) vulnerability in attachment.php in MyBulletinBoard (MyBB) 1.1.7 and...

Record: GHSA-w5xq-qgqm-hj39
Updated: 2026-11-02

Affected products

mybulletinboard

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	MyBB 1.1.7 - Multiple HTML Injection Vulnerabilities	2006-08-26

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2006-4449 is a medium vulnerability (CVSS 5.1) in Mybulletinboard, published August 30, 2006. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.30%, the 83rd percentile. No source names a fixed version.