CVE-2011-10018 myBB 1.6.4 Backdoor Arbitrary Command Execution

myBB version 1.6.4 was distributed with an unauthorized backdoor embedded in the source code. The backdoor allowed remote attackers to execute arbitrary PHP code by injecting payloads into a specially crafted collapsed cookie. This vulnerability was introduced during packaging and was not part of...

CVE-2011-10018

CVE-2011-10018 affects myBB 1.6.4, where an unauthorized backdoor was embedded in the source during packaging, enabling remote PHP code execution via a crafted collapsed cookie with no authentication. Exploitation leads to full compromise of the web server under the web app’s context. No fix vers...

CVE-2011-10018 myBB 1.6.4 Backdoor Arbitrary Command Execution

myBB version 1.6.4 was distributed with an unauthorized backdoor embedded in the source code. The backdoor allowed remote attackers to execute arbitrary PHP code by injecting payloads into a specially crafted collapsed cookie. This vulnerability was introduced during packaging and was not part of...

PT-2025-33087 · Mybb · Mybb

Name of the Vulnerable Software and Affected Versions: myBB version 1.6.4 Description: myBB version 1.6.4 was distributed with an unauthorized backdoor embedded in the source code. This backdoor allowed remote attackers to execute arbitrary PHP code by injecting payloads into a specially crafted...

The vulnerability of the “Add Mycode” function in the MyBB forum creation software allows a hacker to gain unauthorized access to protected information.

The vulnerability of the “Add Mycode” function in the MyBB forum creation software is related to insufficient validation of requests on the server side. Exploiting this vulnerability could allow an attacker, operating remotely, to gain unauthorized access to protected information...

The vulnerability of the Mail function in the MyBB forum creation software allows a hacker to gain unauthorized access to protected information.

The vulnerability of the Mail function in the MyBB forum creation software is related to insufficient testing of requests on the server side. Exploiting this vulnerability can allow an attacker, operating remotely, to gain unauthorized access to protected information...

MyBB < 1.8.39 Multiple Vulnerabilities

MyBB is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:mybb:mybb"; ifdescription...

CVE-2025-48940

MyBB is free and open source forum software. Prior to version 1.8.39, the upgrade component does not validate user input properly, which allows attackers to perform local file inclusion LFI via a specially crafted parameter value. In order to exploit the vulnerability, the installer must be...

CVE-2025-48941

MyBB is free and open source forum software. Prior to version 1.8.39, the search component does not validate permissions correctly, which allows attackers to determine the existence of hidden draft, unapproved, or soft-deleted threads containing specified text in the title. The visibility state...

CVE-2025-48940

MyBB is free and open source forum software. Prior to version 1.8.39, the upgrade component does not validate user input properly, which allows attackers to perform local file inclusion LFI via a specially crafted parameter value. In order to exploit the vulnerability, the installer must be...

CVE-2025-48941

MyBB is free and open source forum software. Prior to version 1.8.39, the search component does not validate permissions correctly, which allows attackers to determine the existence of hidden draft, unapproved, or soft-deleted threads containing specified text in the title. The visibility state...

CVE-2025-48941

CVE-2025-48941 (MyBB) : Affected software: MyBB versions prior to 1.8.39. Issue: the internal search does not properly validate thread visibility, allowing a user with search access to infer the existence of hidden threads (draft, unapproved, or soft-deleted) by title. The visible flag (mybb_thre...

CVE-2025-48941 MyBB may disclosure unviewable threads' titles in searches

MyBB is free and open source forum software. Prior to version 1.8.39, the search component does not validate permissions correctly, which allows attackers to determine the existence of hidden draft, unapproved, or soft-deleted threads containing specified text in the title. The visibility state...

CVE-2025-48941 MyBB may disclosure unviewable threads' titles in searches

MyBB is free and open source forum software. Prior to version 1.8.39, the search component does not validate permissions correctly, which allows attackers to determine the existence of hidden draft, unapproved, or soft-deleted threads containing specified text in the title. The visibility state...

CVE-2025-48941 MyBB may disclosure unviewable threads' titles in searches

MyBB is free and open source forum software. Prior to version 1.8.39, the search component does not validate permissions correctly, which allows attackers to determine the existence of hidden draft, unapproved, or soft-deleted threads containing specified text in the title. The visibility state...

CVE-2025-48940 MyBB's upgrade component vulnerable to local file inclusion

MyBB is free and open source forum software. Prior to version 1.8.39, the upgrade component does not validate user input properly, which allows attackers to perform local file inclusion LFI via a specially crafted parameter value. In order to exploit the vulnerability, the installer must be...

CVE-2025-48940 MyBB's upgrade component vulnerable to local file inclusion

MyBB is free and open source forum software. Prior to version 1.8.39, the upgrade component does not validate user input properly, which allows attackers to perform local file inclusion LFI via a specially crafted parameter value. In order to exploit the vulnerability, the installer must be...

CVE-2025-48940

CVE-2025-48940 affects MyBB pre-1.8.39 where the upgrade component does not validate input, enabling local file inclusion (LFI) via a crafted parameter when the installer is unlocked and the upgrade script is accessible (e.g., reinstall or admin-authenticated scenarios). MyBB 1.8.39 resolves the ...

CVE-2025-48940 MyBB's upgrade component vulnerable to local file inclusion

MyBB is free and open source forum software. Prior to version 1.8.39, the upgrade component does not validate user input properly, which allows attackers to perform local file inclusion LFI via a specially crafted parameter value. In order to exploit the vulnerability, the installer must be...

PT-2025-23535 · Mybb · Mybb

Name of the Vulnerable Software and Affected Versions: MyBB versions prior to 1.8.39 Description: The issue affects MyBB, free and open source forum software. It is caused by the upgrade component not validating user input properly, allowing attackers to perform local file inclusion LFI via a...