Executive Summary

The TI WooCommerce Wishlist plugin for WordPress has an HTML Injection vulnerability in all versions up to and including 2.10.0. This occurs because the plugin accepts hidden fields without limiting the values or data input, allowing unauthenticated attackers to inject arbitrary HTML into wishlist items.

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Impact Analysis

This vulnerability can allow unauthenticated attackers to inject arbitrary HTML into wishlist items, which could lead to malicious content being displayed to users. This may result in issues such as defacement, phishing, or other malicious activities that exploit the injected HTML.

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Compliance Impact

The vulnerability allows unauthenticated attackers to inject arbitrary HTML into wishlist items, which could lead to data integrity and security issues. While the provided information does not explicitly discuss compliance with standards like GDPR or HIPAA, such HTML injection vulnerabilities can potentially lead to unauthorized data manipulation or exposure, which may impact compliance with data protection regulations. However, no direct information about compliance impact is given in the provided resources.

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Detection Guidance

This vulnerability involves HTML Injection in the TI WooCommerce Wishlist plugin versions up to 2.10.0, where hidden fields are accepted without proper validation, allowing arbitrary HTML injection. To detect this on your system, you can inspect HTTP requests to the wishlist functionality for suspicious or unexpected HTML content in hidden fields or wishlist item inputs. Using tools like curl or Burp Suite, you can send crafted requests with HTML payloads in hidden fields and observe if the HTML is reflected in the wishlist output without sanitization. Example curl command to test injection: curl -X POST -d 'hidden_field=<script>alert(1)</script>' https://yourdomain.com/wp-admin/admin-ajax.php?action=ti_wishlist_add. Additionally, scanning your WordPress plugins to check the installed version of TI WooCommerce Wishlist and verifying if it is version 2.10.0 or earlier can help identify vulnerable installations. [1]

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Mitigation Strategies

Immediate mitigation steps include updating the TI WooCommerce Wishlist plugin to a version later than 2.10.0 where the vulnerability is fixed. If an update is not immediately available, restrict access to the wishlist functionality by limiting permissions or disabling the plugin temporarily. Additionally, implement web application firewall (WAF) rules to block suspicious input containing HTML or script tags in wishlist-related requests. Monitoring and sanitizing user inputs on the server side can also reduce risk until a patch is applied. [1]

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