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CVE-2021-4374 PoC — WordPress Automatic Plugin <= 3.53.2 - Unauthenticated Arbitrary Options Update

Source
Associated Vulnerability
Title:WordPress Automatic Plugin <= 3.53.2 - Unauthenticated Arbitrary Options Update (CVE-2021-4374)
Description:The WordPress Automatic Plugin for WordPress is vulnerable to arbitrary options updates in versions up to, and including, 3.53.2. This is due to missing authorization and option validation in the process_form.php file. This makes it possible for unauthenticated attackers to arbitrarily update the settings of a vulnerable site and ultimately compromise the entire site.
Description
WordPress Automatic Plugin (versions 3.53.2 and below) contains a critical vulnerability that allows unauthenticated users to change arbitrary WordPress options through the process_form.php script. The vulnerable script uses update_option() on all POST parameters without authentication or capability checks, allowing attackers to create administrator accounts or modify critical settings. The vulnerability can be exploited even if the plugin is deactivated as it's a standalone script.
File Snapshot

id: CVE-2021-4374 info: name: WordPress Automatic Plugin - Unauthenticated Options Change autho ...
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