{"id":"CVE-2026-2127","aliases":["EUVD-2026-8045","GHSA-6mq9-qm49-w244"],"status":"published","title":"SiteOrigin Widgets Bundle \u003c= 1.70.4 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Shortcode Execution","description":"The SiteOrigin Widgets Bundle plugin for WordPress is vulnerable to unauthorized arbitrary shortcode execution in all versions up to, and including, 1.70.4. This is due to a missing capability check on the `siteorigin_widget_preview_widget_action()` function which is registered via the `wp_ajax_so_widgets_preview` AJAX action. The function only verifies a nonce (`widgets_action`) but does not check user capabilities. This makes it possible for authenticated attackers, with Subscriber-level access and above, to execute arbitrary shortcodes by invoking the `SiteOrigin_Widget_Editor_Widget` via the preview endpoint. The required nonce is exposed on the public frontend when the Post Carousel widget is present on a page, embedded in the `data-ajax-url` HTML attribute.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00319,"percentile":0.25099,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-02-18T08:26:04Z","modified":"2026-06-17T10:30:21Z","products":[{"vendor":"gpriday","product":"siteorigin widgets bundle"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/bf92c64b-ca76-4af7-a1e4-585a60b03153?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/so-widgets-bundle/tags/1.70.4/base/inc/actions.php#L6"},{"url":"https://plugins.trac.wordpress.org/browser/so-widgets-bundle/tags/1.70.4/base/inc/actions.php#L75"},{"url":"https://plugins.trac.wordpress.org/browser/so-widgets-bundle/tags/1.70.4/widgets/post-carousel/post-carousel.php#L590"},{"url":"https://plugins.trac.wordpress.org/browser/so-widgets-bundle/tags/1.70.4/widgets/editor/editor.php#L120"},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026new=3460939%40so-widgets-bundle%2Ftrunk\u0026old=3434183%40so-widgets-bundle%2Ftrunk\u0026sfp_email=\u0026sfph_mail="},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-2127"},{"url":"https://github.com/advisories/GHSA-6mq9-qm49-w244"}],"sources":{"cve":[{"id":"CVE-2026-2127","title":"SiteOrigin Widgets Bundle \u003c= 1.70.4 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Shortcode Execution","description":"The SiteOrigin Widgets Bundle plugin for WordPress is vulnerable to unauthorized arbitrary shortcode execution in all versions up to, and including, 1.70.4. This is due to a missing capability check on the `siteorigin_widget_preview_widget_action()` function which is registered via the `wp_ajax_so_widgets_preview` AJAX action. The function only verifies a nonce (`widgets_action`) but does not check user capabilities. This makes it possible for authenticated attackers, with Subscriber-level access and above, to execute arbitrary shortcodes by invoking the `SiteOrigin_Widget_Editor_Widget` via the preview endpoint. The required nonce is exposed on the public frontend when the Post Carousel widget is present on a page, embedded in the `data-ajax-url` HTML attribute.","status":"published","published":"2026-02-18T08:26:04.127Z","modified":"2026-04-08T17:19:28.822Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T13:48:46.911326Z"}],"euvd":[{"id":"EUVD-2026-8045","description":"The SiteOrigin Widgets Bundle plugin for WordPress is vulnerable to unauthorized arbitrary shortcode execution in all versions up to, and including, 1.70.4. This is due to a missing capability check on the `siteorigin_widget_preview_widget_action()` function which is registered via the `wp_ajax_so_widgets_preview` AJAX action. The function only verifies a nonce (`widgets_action`) but does not check user capabilities. This makes it possible for authenticated attackers, with Subscriber-level access and above, to execute arbitrary shortcodes by invoking the `SiteOrigin_Widget_Editor_Widget` via the preview endpoint. The required nonce is exposed on the public frontend when the Post Carousel widget is present on a page, embedded in the `data-ajax-url` HTML attribute.","status":"published","published":"2026-02-18T08:26:04Z","modified":"2026-04-08T17:19:28Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:42.318475Z"}],"ghsa":[{"id":"GHSA-6mq9-qm49-w244","title":"The SiteOrigin Widgets Bundle plugin for WordPress is vulnerable to unauthorized arbitrary...","description":"The SiteOrigin Widgets Bundle plugin for WordPress is vulnerable to unauthorized arbitrary shortcode execution in all versions up to, and including, 1.70.4. This is due to a missing capability check on the `siteorigin_widget_preview_widget_action()` function which is registered via the `wp_ajax_so_widgets_preview` AJAX action. The function only verifies a nonce (`widgets_action`) but does not check user capabilities. This makes it possible for authenticated attackers, with Subscriber-level access and above, to execute arbitrary shortcodes by invoking the `SiteOrigin_Widget_Editor_Widget` via the preview endpoint. The required nonce is exposed on the public frontend when the Post Carousel widget is present on a page, embedded in the `data-ajax-url` HTML attribute.","status":"published","published":"2026-02-18T09:31:04Z","modified":"2026-02-18T09:32:07Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:06:14.99564Z"}],"nvd":[{"id":"CVE-2026-2127","description":"The SiteOrigin Widgets Bundle plugin for WordPress is vulnerable to unauthorized arbitrary shortcode execution in all versions up to, and including, 1.70.4. This is due to a missing capability check on the `siteorigin_widget_preview_widget_action()` function which is registered via the `wp_ajax_so_widgets_preview` AJAX action. The function only verifies a nonce (`widgets_action`) but does not check user capabilities. This makes it possible for authenticated attackers, with Subscriber-level access and above, to execute arbitrary shortcodes by invoking the `SiteOrigin_Widget_Editor_Widget` via the preview endpoint. The required nonce is exposed on the public frontend when the Post Carousel widget is present on a page, embedded in the `data-ajax-url` HTML attribute.","status":"published","published":"2026-02-18T09:15:58.817Z","modified":"2026-06-17T10:30:21.973Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:06.274729Z"}]}}