Advisory Details

March 11th, 2022

MyBB Admin Control Panel Code Injection Remote Code Execution Vulnerability

CVE ID	CVE-2022-24734
CVSS SCORE	7.2, AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS	MyBB
AFFECTED PRODUCTS	MyBB
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on affected installations of MyBB. Authentication is required to exploit this vulnerability. The specific flaw exists within the Control Panel. The issue results from the lack of proper validation of a user-supplied string before using it to construct server-side code. An attacker can leverage this vulnerability to execute code in the context of the www-data user.
ADDITIONAL DETAILS	MyBB has issued an update to correct this vulnerability. More details can be found at: https://mybb.com/versions/1.8.30/
DISCLOSURE TIMELINE	2022-03-07 - Vulnerability reported to vendor 2022-03-11 - Coordinated public release of advisory
CREDIT	Cillian Collins

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