{"id":"CVE-2026-16099","aliases":["EUVD-2026-59854","GHSA-q83h-6954-x259"],"status":"published","title":"Podlove Podcast Publisher \u003c= 4.5.3 - Authenticated (Contributor+) PHP Object Injection to Arbitrary File Deletion via 'unfurl_data' Parameter","description":"The Podlove Podcast Publisher plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the create_link_item function in all versions up to, and including, 4.5.3. This makes it possible for authenticated attackers, with contributor-level access and above, to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). A viable POP chain exists within the plugin itself via Podlove\\ImageCache\\GenerationGuard, whose __destruct() method invokes wp_delete_file() with an attacker-controlled file path populated through unserialization.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01098,"percentile":0.66057,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2026-08-16T04:24:51Z","modified":"2026-08-20T12:48:10Z","products":[{"vendor":"eric teubert","product":"podlove podcast publisher"},{"vendor":"eteubert","product":"podlove podcast publisher"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/3aa6fd71-337f-4998-a15d-650aa4f6142c?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/podlove-podcasting-plugin-for-wordpress/tags/4.5.3/lib/modules/shownotes/rest_api.php#L585"},{"url":"https://plugins.trac.wordpress.org/browser/podlove-podcasting-plugin-for-wordpress/tags/4.5.3/lib/model/base.php#L552"},{"url":"https://plugins.trac.wordpress.org/browser/podlove-podcasting-plugin-for-wordpress/tags/4.5.3/lib/image_cache/generation_guard.php#L19"},{"url":"https://plugins.trac.wordpress.org/browser/podlove-podcasting-plugin-for-wordpress/tags/4.5.3/lib/image_cache/generation_guard.php#L57"},{"url":"https://plugins.trac.wordpress.org/browser/podlove-podcasting-plugin-for-wordpress/tags/4.5.3/lib/modules/shownotes/rest_api.php#L538"},{"url":"https://plugins.trac.wordpress.org/browser/podlove-podcasting-plugin-for-wordpress/tags/4.5.3/lib/modules/shownotes/rest_api.php#L630"},{"url":"https://plugins.trac.wordpress.org/changeset?reponame=\u0026old=3648110%40podlove-podcasting-plugin-for-wordpress\u0026new=3648110%40podlove-podcasting-plugin-for-wordpress"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16099"},{"url":"https://github.com/advisories/GHSA-q83h-6954-x259"}],"sources":{"cve":[{"id":"CVE-2026-16099","title":"Podlove Podcast Publisher \u003c= 4.5.3 - Authenticated (Contributor+) PHP Object Injection to Arbitrary File Deletion via 'unfurl_data' Parameter","description":"The Podlove Podcast Publisher plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the create_link_item function in all versions up to, and including, 4.5.3. This makes it possible for authenticated attackers, with contributor-level access and above, to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). A viable POP chain exists within the plugin itself via Podlove\\ImageCache\\GenerationGuard, whose __destruct() method invokes wp_delete_file() with an attacker-controlled file path populated through unserialization.","status":"published","published":"2026-08-16T04:24:51.333Z","modified":"2026-08-17T15:42:32.01Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:20:10.870108Z"}],"euvd":[{"id":"EUVD-2026-59854","description":"The Podlove Podcast Publisher plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the create_link_item function in all versions up to, and including, 4.5.3. This makes it possible for authenticated attackers, with contributor-level access and above, to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). A viable POP chain exists within the plugin itself via Podlove\\ImageCache\\GenerationGuard, whose __destruct() method invokes wp_delete_file() with an attacker-controlled file path populated through unserialization.","status":"published","published":"2026-08-16T04:24:51Z","modified":"2026-08-17T15:42:32Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:49.335011Z"}],"ghsa":[{"id":"GHSA-q83h-6954-x259","title":"The Podlove Podcast Publisher plugin for WordPress is vulnerable to arbitrary file deletion due...","description":"The Podlove Podcast Publisher plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the create_link_item function in all versions up to, and including, 4.5.3. This makes it possible for authenticated attackers, with contributor-level access and above, to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). A viable POP chain exists within the plugin itself via Podlove\\ImageCache\\GenerationGuard, whose __destruct() method invokes wp_delete_file() with an attacker-controlled file path populated through unserialization.","status":"published","published":"2026-08-16T06:30:25Z","modified":"2026-08-16T06:30:32Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:10:31.619287Z"}],"nvd":[{"id":"CVE-2026-16099","description":"The Podlove Podcast Publisher plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the create_link_item function in all versions up to, and including, 4.5.3. This makes it possible for authenticated attackers, with contributor-level access and above, to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). A viable POP chain exists within the plugin itself via Podlove\\ImageCache\\GenerationGuard, whose __destruct() method invokes wp_delete_file() with an attacker-controlled file path populated through unserialization.","status":"published","published":"2026-08-16T05:16:47.78Z","modified":"2026-08-20T12:48:10.287Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:38.647684Z"}]}}