Age Verification - Reflected cross-site scripting (XSS)

Summary

Name	Age Verification for your checkout page. Verify your customer's identity 1.20.0 - Reflected cross-site scripting (XSS)
Code name	skims-5
Product	Age Verification for your checkout page. Verify your customer's identity
Affected versions	Version 1.20.0
State	Private
Release date	2024-12-06

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

Age Verification for your checkout page. Verify your customer's identity 1.20.0 was found to be vulnerable. The web application dynamically generates web content without validating the source of the potentially untrusted data in myapp/class-wc-integration-agechecker-in tegration.php.

Vulnerability

Skims by Fluid Attacks discovered a Reflected cross-site scripting (XSS) in Age Verification for your checkout page. Verify your customer's identity 1.20.0. The following is the output of the tool:

Skims output

 1414 | <p><strong>Minimum Total invalid!</strong> Total must be a valid numeric value.</p> 1415 | </div> 1416 | <?php 1417 | return $this->get_option($key); 1418 | } 1419 | 1420 | return $value; 1421 | } 1422 | 1423 | public function validate_titled_text_field($key) { > 1424 | echo $_POST[ $this->plugin_id . $this->id . '_' . $key ]; 1425 | return $_POST[ $this->plugin_id . $this->id . '_' . $key ]; 1426 | } 1427 | 1428 | public function validate_category_apikeys_field($key) { 1429 | $value = $_POST[""categoryApiKeysListData""]; 1430 | if (!isset($value)) { 1431 | ?> 1432 | <div class=""error notice""> 1433 | <p><strong>Invalid category api keys.</strong></p> 1434 | </div>
       ^ 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: Age Verification for your checkout

page. Verify your customer's identity 1.20.0

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