CVE-2026-11591

Summary

The Widgets for Google Reviews plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 13.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with editor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Affected Software

Weaknesses

• CWE-79: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

• https://www.wordfence.com/threat-intel/vulnerabilities/id/4d16e945-1576-4d9b-8e1b-995ec457215b?source=cve
• https://plugins.trac.wordpress.org/browser/wp-reviews-plugin-for-google/tags/13.2.9/trustindex-plugin.class.php#L6551
• https://plugins.trac.wordpress.org/browser/wp-reviews-plugin-for-google/tags/13.2.9/trustindex-plugin.class.php#L649
• https://plugins.trac.wordpress.org/browser/wp-reviews-plugin-for-google/tags/13.2.9/tabs/free-widget-configurator.php#L400
• https://plugins.trac.wordpress.org/browser/wp-reviews-plugin-for-google/tags/13.2.9/tabs/free-widget-configurator.php#L406
• https://plugins.trac.wordpress.org/browser/wp-reviews-plugin-for-google/trunk/trustindex-plugin.class.php#L6551
• https://plugins.trac.wordpress.org/browser/wp-reviews-plugin-for-google/trunk/trustindex-plugin.class.php#L649
• https://plugins.trac.wordpress.org/browser/wp-reviews-plugin-for-google/trunk/tabs/free-widget-configurator.php#L400
• https://plugins.trac.wordpress.org/browser/wp-reviews-plugin-for-google/trunk/tabs/free-widget-configurator.php#L406
• https://plugins.trac.wordpress.org/changeset?reponame=&old=3584904%40wp-reviews-plugin-for-google&new=3584904%40wp-reviews-plugin-for-google

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