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vBulletin before 5.5.6pl1, 5.6.0 before 5.6.0pl1, and 5.6.1 before 5.6.1pl1 suffer from incorrect access control, allowing attackers to exploit the ajax/render/widget_php route via the widget_tabbedcontainer_tab_panel template. This enables pre-authentication remote code execution (RCE) by loading user-controlled child templates, bypassing previous patches for CVE-2019-16759. The vulnerability is a result of insufficient patching and improper access control on sensitive template rendering functionality.
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2 valid exploits after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a single Metasploit module targeting vBulletin 5.6.1 and earlier (CVE-2020-12720). The exploit leverages a SQL injection vulnerability in the /ajax/api/content_infraction/getIndexableContent endpoint to reset the administrator password. After gaining admin access, it uploads a PHP payload via a widget, creates a new page embedding the payload, and triggers remote code execution (RCE) on the server. The module is written in Ruby and is structured according to Metasploit conventions, using the Msf::Exploit::Remote::HttpClient mixin. The main attack vector is network-based, exploiting HTTP endpoints exposed by the target vBulletin installation. The exploit is operational, providing a working RCE chain, but payload customization is limited to what Metasploit's PHP payloads support. The code also includes cleanup routines to remove traces of the attack by deleting the malicious page after execution.
This repository contains a single Metasploit auxiliary module targeting a SQL injection vulnerability (CVE-2020-12720) in vBulletin 5.x.x (tested on 5.6.1). The module exploits a vulnerable POST parameter (nodeId[nodeid]) in the /ajax/api/content_infraction/getIndexableContent endpoint to perform SQL injection, allowing the attacker to extract database information. The module can dump the user table or all tables, reporting credentials to the Metasploit database and saving extracted data to disk. It includes logic to brute-force or validate node IDs, determine the vBulletin table prefix, enumerate tables and columns, and extract rows. The code is written in Ruby and is designed to be run within the Metasploit framework. The main attack vector is network-based, targeting HTTP endpoints exposed by the vBulletin application.
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1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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