CVE-2026-75966

The Podlove Podcast Publisher plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'episode_contributor[..][..][comment]' Parameter in all versions up to, and including, 4.5.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The contributor comment is stored in a plugin-managed custom table, bypassing WordPress core's wp_kses_post filter, and the save_post hook fires without a nonce check, meaning any user who can edit posts can exploit this without further preconditions.

• CWE-79

• https://plugins.trac.wordpress.org/browser/podlove-podcasting-plugin-for-wordpress/tags/4.5.4/lib/modules/contributors/contributors.php#L25
• https://plugins.trac.wordpress.org/browser/podlove-podcasting-plugin-for-wordpress/tags/4.5.4/lib/modules/contributors/contributors.php#L490
• https://plugins.trac.wordpress.org/browser/podlove-podcasting-plugin-for-wordpress/tags/4.5.4/lib/modules/contributors/templates/contributor-table.twig#L59
• https://plugins.trac.wordpress.org/browser/podlove-podcasting-plugin-for-wordpress/tags/4.5.4/lib/template/twig_filter.php#L139
• https://plugins.trac.wordpress.org/browser/podlove-podcasting-plugin-for-wordpress/tags/4.5.5/lib/modules/contributors/contributors.php#L25
• https://plugins.trac.wordpress.org/browser/podlove-podcasting-plugin-for-wordpress/tags/4.5.5/lib/modules/contributors/contributors.php#L490
• https://plugins.trac.wordpress.org/browser/podlove-podcasting-plugin-for-wordpress/tags/4.5.5/lib/modules/contributors/templates/contributor-table.twig#L59
• https://plugins.trac.wordpress.org/browser/podlove-podcasting-plugin-for-wordpress/tags/4.5.5/lib/template/twig_filter.php#L139
• https://plugins.trac.wordpress.org/changeset?reponame=&old=3671120%40podlove-podcasting-plugin-for-wordpress&new=3671120%40podlove-podcasting-plugin-for-wordpress
• https://www.wordfence.com/threat-intel/vulnerabilities/id/fc9253bc-feee-422f-aafb-1630f2d1ad2e?source=cve

Published

Sep 9, 2026

Last Modified

Sep 9, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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