inc/logger.php in the Giribaz File Manager plugin before 5.0.2 for WordPress logged activity related to the plugin in /wp-content/uploads/file-manager/log.txt. If a user edits the wp-config.php file using this plugin, the wp-config.php contents get added to log.txt, which is not protected and contains database credentials, salts, etc. These files have been indexed by Google and a simple dork will find affected sites.
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