This dork exploits Sensitive Information Exposure (CWE-200).
The query is designed to locate .log files stored in publicly accessible web directories (e.g., var/log, public_html/logs, or /tmp) that have not been secured via permissions or .htaccess rules.
What the attacker finds: If successful, this dork returns plain text files containing: allintext username filetype log passwordlog facebook link
Why this happens:
While this article explains the risks, ethical security professionals and bug bounty hunters can responsibly use such dorks only with permission or on their own assets. This dork exploits Sensitive Information Exposure (CWE-200)
This is a simple keyword. The search engine will look for pages containing the literal string “username” in the text. In log files, “username” often appears as a field label preceding an actual login ID.
The most immediate risk is account takeover. With a username (often an email) and a password or a valid OAuth link, an attacker can log into the victim's Facebook account, change the password, enable 2FA on their own device, and lock out the legitimate owner. Why this happens: While this article explains the
The link keyword often captures OAuth callback URLs containing temporary codes or access tokens. With a short-lived token, an attacker can authenticate as the user without ever needing the password.
When a developer or system administrator misconfigures a web server, directory browsing might be enabled. If a log file (like error.log, access.log, or passwordlog.txt) is placed inside the public web root, Google will index it.
This specific dork searches for .log files that contain:
In plain English: This search looks for live, public files on the internet that contain Facebook login credentials.