Revive Old Post <= 6.9.0 - Privilege EscalationSign up to our free email alerts service for instant vulnerability notifications!
Leveraging a publicly accessible AJAX function named ‘update_response’, it is possible to update any option with the WordPress installation. Using this vulnerability, it is possible to gain administrative access to the WordPress installation by updating the options ‘default_role’ and ‘users_can_register’, and then creating a new account. This new account will be created with administrative privileges, so long as these two options are updated to the values, as shown in the PoC below.
fixed in version 6.9.4
|OWASP Top 10||A2: Broken Authentication and Session Management|
|Publicly Published||2015-02-02 (over 3 years ago)|
|Added||2015-02-02 (over 3 years ago)|
|Last Updated||2015-05-15 (about 3 years ago)|
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