The SmartCrawl SEO checker, analyzer & optimizer WordPress plugin before 3.16.3 does not perform capability checks on two of its AJAX actions, allowing users with at least the Subscriber role to read the titles of private and draft posts by ID and to enumerate stored post-meta key names.

The SmartCrawl SEO checker, analyzer & optimizer plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the updatesubmodule() function in all versions up to, and including, 3.14.3. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update the plugin's setttings.

The SmartCrawl WordPress SEO checker, SEO analyzer, SEO optimizer plugin for WordPress is vulnerable to Full Path Disclosure in all versions up to, and including, 3.10.8. This is due the plugin utilizing mobiledetect without preventing direct access to the files. This makes it possible for unauthenticated attackers to retrieve the full path of the web application, which can be used to aid other attacks. The information displayed is not useful on its own, and requires another vulnerability to be present for damage to an affected website.