[pedantic mode] fail2ban obviously do not prevent attacks. The only way to prevent attacks is by sending the people that originate them to jail or give them some other incentive to stop. More to the point, fail2ban suffers from having only a single point of reference while attackers control many sources. To have an effective … Read more
I don’t know if that is the right way but the last time I worked with IIS, I used this code to prevent the loading of an PHP script in the uploads folder. <?xml version=”1.0″ encoding=”UTF-8″?> <configuration> <location path=”wp-content/uploads”> <system.webServer> <security> <requestFiltering> <fileExtensions> <add fileExtension=”.php” allowed=”false” /> </fileExtensions> </requestFiltering> </security> </system.webServer> </location> </configuration> If you … Read more
When admin is resetting all users password are the users getting notified about the password reset? I read that with some “Emergency password reset” plugin it is available, but is it a built in feature in WordPress or no. WordPress doesn’t have an option to reset all users passwords, so it would depend on the … Read more
I have gone through the above case. I have checked when you change password you will have the option of logout every where else. So you need to check it. https://www.screencast.com/t/0tilp5u2 I will explain it the reason for the same. In this when you login into wordpress.The details are saved in the form of cookies … Read more
No, there is no inherent security flaw in $wpdb, or using it within a shortcode. However, you can introduce vulnerabilities if you aren’t careful how you use it. There are primarily two issues that you should be thinking about. The first is escaping. You need to make sure that any potentially user-controlled values are escaped … Read more
wp-config.php includes files, it’s not just a config file, and WordPress isn’t built to allow putting the file 2 levels up. However, WordPress already supports loading wp-config.php from 1 level up. With all of this in mind though, this is only really a protection if you’re worried about mis-configuring your server. Unless PHP execution is … Read more
According to Codex: The only current officially supported version is WordPress 5.0.3. Previous major releases before this may or may not get security updates as serious exploits are discovered. So, as you can see, the official version is that only the newest version is supported and only that version guarantees that you’ll get security updates. … Read more
Yes, it’s a good practice to sanitize input and escape output. It’s important to use the correct function, though, so that you don’t inadvertently mess up your data. Since it’s for a URL, use esc_url_raw() (it is specifically for db usage). (Note: it may seem odd using a function with the “esc_” stem for sanitizing, … Read more
current_user_can checks whether current user has a specific capability. And only that… It won’t protect you from XSS attacks – so it would be a good idea to check some nonces too – this way you can be certain that user wants to perform given action. Let’s say there’s a link to delete a post. … Read more
Searching for non-SSL references in the code base is a smart idea and you should probably report any you find on hackerone.com (the place to disclose WordPress vulnerabilities). I also suggest you review the WordPress Security page on wordpress.org. To answer your question, I would say WordPress has been audited extensively for various security vulnerabilities … Read more