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Vulnerability record · CVE-2006-4449 · published 30 August 2006

CVE-2006-4449: Mybulletinboard vulnerability

Mybulletinboard · Mybulletinboard

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.

5.1 CVSS 2.0 Medium EPSS 2.3% · top 17.0%
5.1CVSS 2.0 base score
2.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/21645 PatchVendor Advisory
http://securityreason.com/securityalert/1469
http://www.mybboard.com/archive.php?nid=18
http://www.securityfocus.com/archive/1/444414/100/0/threaded
http://www.securityfocus.com/bid/19718 Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/28587
http://secunia.com/advisories/21645 PatchVendor Advisory
http://securityreason.com/securityalert/1469
http://www.mybboard.com/archive.php?nid=18
http://www.securityfocus.com/archive/1/444414/100/0/threaded
http://www.securityfocus.com/bid/19718 Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/28587

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2005-4200Mybulletinboard vulnerabilityMultiple unspecified vulnerabilities in MyBulletinBoard (MyBB) before 1.0 have unknown impact and attack vectors, a different set of vulnerabilities …EPSS 2.2%7.5CVE-2009-2230Mybulletinboard sql injection vulnerabilitySQL injection vulnerability in inc/datahandlers/user.php in MyBB (aka MyBulletinBoard) before 1.4.7 allows remote authenticated users to execute arbi…EPSS 1.2%7.5CVE-2008-0382Mybulletinboard code injection vulnerabilityMultiple eval injection vulnerabilities in MyBB 1.2.10 and earlier allow remote attackers to execute arbitrary code via the sortby parameter to (1) f…EPSS 42%7.5CVE-2007-2211Mybulletinboard vulnerabilitySQL injection vulnerability in calendar.php in MyBB (aka MyBulletinBoard) 1.2.5 and earlier allows remote attackers to execute arbitrary SQL commands…EPSS 1.1%7.5CVE-2007-1963Mybb vulnerabilitySQL injection vulnerability in the create_session function in class_session.php in MyBB (aka MyBulletinBoard) 1.2.3 and earlier allows remote attacke…EPSS 1.3%7.5CVE-2006-3775Mybulletinboard sql injection vulnerabilitySQL injection vulnerability in the init function in class_session.php in MyBB (aka MyBulletinBoard) 1.1.5 allows remote attackers to execute arbitrar…EPSS 2.5%7.5CVE-2006-3758Mybulletinboard vulnerabilityinc/init.php in Archive Mode (Light) in MyBB (aka MyBulletinBoard) 1.1.4 calls the extract function with EXTR_OVERWRITE on HTTP POST and GET variable…EPSS 1.3%7.5CVE-2006-3760Mybulletinboard vulnerabilityMultiple SQL injection vulnerabilities in MyBB (aka MyBulletinBoard) 1.1.4 allow remote attackers to execute arbitrary SQL commands via unspecified v…EPSS 1.2%

Source: NIST National Vulnerability Database (record CVE-2006-4449), CISA KEV, FIRST EPSS (scores of 2026-10-14). This page is refreshed as NVD updates the record.