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In Tiki before version 21.2, the tiki-login.php script contains a logic flaw where, after 50 invalid login attempts, the admin password is reset to a blank value. This allows an attacker to bypass authentication by intentionally triggering the condition and then logging in as admin with no password.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a proof-of-concept exploit for CVE-2020-15906, an authentication bypass vulnerability in Tiki Wiki CMS Groupware versions 16.x through 21.1. The exploit consists of a Python script (TikiWiki_21.1_Authentication_Bypass.py) and a detailed README.md writeup. The script targets the /tiki/tiki-login.php endpoint of a vulnerable Tiki Wiki instance. It automates the process of brute-forcing the admin login until the account is locked, then attempts to log in with an empty password, exploiting a logic flaw that grants admin access. The README provides a step-by-step walkthrough, including screenshots and references to external resources. The exploit is network-based, requires no authentication, and results in full admin compromise of the target application. The repository is well-structured, with the main exploit logic contained in a single Python file.
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