CVE-2009-4449

MEDIUM 6.5CVE-2009-4449 · Published 29/12/2009 · updated 16/06/2026

In short

CVE-2009-4449 is a MEDIUM (CVSS 6.5) vulnerability affecting mybb (mybb).
Chance of exploitation in the next 30 days (EPSS): 2.7%, higher than 85.9% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
mybb mybb	`= 1.4.10`	No fix yet

Description

Directory traversal vulnerability in MyBB (aka MyBulletinBoard) 1.4.10, and possibly earlier versions, when changing the user avatar from the gallery, allows remote authenticated users to determine the existence of files via directory traversal sequences in the avatar and possibly the gallery parameters, related to (1) admin/modules/user/users.php and (2) usercp.php.

References

blog.mybboard.net/2009/12/29/mybb-1-4-11-released-minor-patch-security-update · Release Notes
dev.mybboard.net/issues/617 · Broken Link
dev.mybboard.net/projects/mybb/repository/revisions/4663/diff/branches/1.4-stable/admin/modules/user/users.php · Broken Link
dev.mybboard.net/projects/mybb/repository/revisions/4663/diff/branches/1.4-stable/usercp.php · Broken Link
openwall.com/lists/oss-security/2010/10/08/7 · Mailing List
openwall.com/lists/oss-security/2010/10/11/8 · Mailing List
openwall.com/lists/oss-security/2010/12/06/2 · Mailing List
osvdb.org/61359 · Broken Link
secunia.com/advisories/37906 · Broken Link
securityfocus.com/bid/37489 · Broken Link
vupen.com/english/advisories/2009/3651

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Package

Affected versions

Patched versions

mybb

= 1.4.10

No fix yet

Description

More vulnerabilities in mybb

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