Title: MyBB 'Avatar' Parameter File Enumeration Information Disclosure Vulnerability
Severity: MODERATE
Description:
MyBB (MyBulletinBoard) is a PHP-based bulletin-board application.
The application is prone to a directory-traversal vulnerability because it fails to sufficiently sanitize user-supplied input to the 'Avatar' parameter when changing a user's avatar. Specifically, the application will change the avatar only if the file resides on the affected computer.
Information obtained may lead to further attacks.
This issue affects MyBB 1.4.10; other versions may be vulnerable as well.
Affected Products:
- MyBB MyBB 1.4.10
References:
- MyBB: MyBB Homepage
- Ryan Gordon: Bug #617 Avatar gallery url sanitation
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