Image Hover Effects Ultimate - Reflected cross-site scripting (XSS)

Summary


Name	Image Hover Effects Ultimate (Image Gallery, Effects, Lightbox, Comparison or Magnifier) 9.9.4 - Reflected cross-site scripting (XSS)
Code name	skims-31
Product	Image Hover Effects Ultimate (Image Gallery, Effects, Lightbox, Comparison or Magnifier)
Affected versions	Version 9.9.4
State	Private
Release date	2025-01-03

Vulnerability


Kind	Reflected cross-site scripting (XSS)
Rule	Reflected cross-site scripting (XSS)
Remote	No
CVSSv4 Vector	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L/E:U
Exploit available	No
CVE ID(s)	cve-2020-2020

Description

Image Hover Effects Ultimate (Image Gallery, Effects, Lightbox, Comparison or Magnifier) 9.9.4 was found to be vulnerable. The web application dynamically generates web content without validating the source of the potentially untrusted data in myapp/Classes/Support_Recommended.php.

Vulnerability

Skims by Fluid Attacks discovered a Reflected cross-site scripting (XSS) in Image Hover Effects Ultimate (Image Gallery, Effects, Lightbox, Comparison or Magnifier) 9.9.4. The following is the output of the tool:

Skims output

 137 | {
 138 |
 139 | $wpnonce = sanitize_key(wp_unslash($_POST['_wpnonce']));
 140 | if (!wp_verify_nonce($wpnonce, 'image_hover_ultimate')) :
 141 | return new \WP_REST_Request('Invalid URL', 422);
 142 | die();
 143 | endif;
 144 |
 145 | $notice = $_POST['notice'];
 146 | update_option('oxi_image_hover_recommended', $notice);
> 147 |         echo $notice;
  148 |         die();
  149 |     }
  150 |
  151 |
  152 |     public function extension()
  153 |     {
  154 |         $response = get_transient(self::GET_LOCAL_PLUGINS);
  155 |         if (!$response || !is_array($response)) {
  156 |             $URL = self::PLUGINS;
  157 |             $request = wp_remote_request($URL);
      ^ Col 0

Our security policy

We have reserved the ID cve-2020-2020 to refer to this issue from now on.

https://fluidattacks.com/advisories/policy/

System Information

Version: Image Hover Effects Ultimate 9.9.4

Mitigation

There is currently no patch available for this vulnerability.

Credits

The vulnerability was discovered by Andres Roldan from Fluid Attacks' Offensive Team using Skims

Timeline

2025-01-03

Vulnerability discovered.

2025-01-03

Vendor contacted.