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Home > Cybersecurity > WordPress Elementor plugin has a critical flaw

WordPress Elementor plugin has a critical flaw

Essential Addons for Elementor is vulnerable; it is possible to execute arbitrary codes on the websites that use the plugin.


Rusen Gobel Rusen Gobel
February 2, 2022
2 min read
A WordPress Elementor plugin has a critical flaw

Elementor is one of the most successful WordPress add-ons that enable users to create WordPress websites without coding. Its drag-and-drop style comes with several ready-to-use widgets. Just like the other popular plugins, Elementor also has third-party addons that enhance its functions. Essential Addons for Elementor is one of them.

RCE is possible

The cybersecurity researchers discovered LFI (Local File Inclusion) vulnerability on Essential Addons for Elementor addon. Website owners with the addon version 5.0.4 and below should be aware. The bug lets any user perform a local file inclusion attack. This flaw allows attackers to include a file with malicious PHP code to leverage an RCE (Remote Code Execution).

The flaw only works when the widgets use the vulnerable function, so not all websites with Essential Addons for Elementor installed are exposed. Dynamic Gallery and Product Gallery widgets are using flawed code. You can see the function that causes vulnerability below:

$template_info = $_REQUEST['template_info'];

// ...

$file_path = sprintf(

'%s/Template/%s/%s',

$file_path,

$template_info[ 'name' ],

$template_info[ 'file_name' ]

);

// ...

$html .= HelperClass::include_with_variable( $file_path, [ 'settings' => $settings, 'link_settings' => $link_settings, 'iterator' => $iterator ] );

// ...

public static function include_with_variable( $file_path, $variables = [])

{

if (file_exists($file_path)) {

extract($variables);

ob_start();

include $file_path;

return ob_get_clean();

}

return '';

}

As Patchstack reports, the addon developers were aware of this situation and tried to fix it with the 5.0.3 version. However, the fix was not sufficient. Then 5.0.4 version was released to resolve the issue. Finally, the 5.0.5 version adds more security by using PHP’s realpath function.

Users of the Essential Addons for Elementor should immediately apply the update to avoid vulnerability.

See more Cybersecurity News


Tags: WordPress
Rusen Gobel

Rusen Gobel

Rusen Gobel is a news editor at Cloud7 News. With more than 10 years of experience, Rusen worked as a hardware and software news editor for technology sites such as Shiftdelete, Teknokolis, Hardware Plus, BT Haber. In addition, Rusen publishes consumer product reviews on his YouTube channel. While consumer electronics has been his main focus for years, now Rusen is more interested in WordPress and software development. He had contributed different web application projects in his professional career. Rusen had graduated from Istanbul University, department of Computer Engineering. Rusen has a very high passion for learning and writing for every kind of technology. That's why he has been working as a tech editor for more than ten years on several different technology magazines and online news portals.

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