{"id":"CVE-2026-4330","aliases":["EUVD-2026-20125","GHSA-gx9c-69hc-cjmj"],"status":"published","title":"Blog2Social: Social Media Auto Post \u0026 Scheduler \u003c= 8.8.3 - Authenticated (Subscriber+) Insecure Direct Object Reference to Arbitrary Post Schedule Modification via 'b2s_id' Parameter","description":"The Blog2Social: Social Media Auto Post \u0026 Scheduler plugin for WordPress is vulnerable to authorization bypass through user-controlled key in all versions up to, and including, 8.8.3. This is due to the plugin's AJAX handlers failing to validate that the user-supplied 'b2s_id' parameter belongs to the current user before performing UPDATE and DELETE operations. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify, reschedule, or delete other users' scheduled social media posts.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00563,"percentile":0.47086,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-04-08T07:43:03Z","modified":"2026-07-24T20:10:00Z","products":[{"vendor":"pr-gateway","product":"blog2social: social media auto post \u0026 scheduler"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/f3eec9c6-fef9-4d6e-8328-51efb997c99c?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/blog2social/trunk/includes/Ajax/Post.php#L2183"},{"url":"https://plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/Ajax/Post.php#L2183"},{"url":"https://plugins.trac.wordpress.org/browser/blog2social/trunk/includes/Ajax/Post.php#L2273"},{"url":"https://plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/Ajax/Post.php#L2273"},{"url":"https://plugins.trac.wordpress.org/browser/blog2social/trunk/includes/Ajax/Post.php#L2322"},{"url":"https://plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/Ajax/Post.php#L2322"},{"url":"https://plugins.trac.wordpress.org/browser/blog2social/trunk/includes/B2S/Post/Tools.php#L32"},{"url":"https://plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/B2S/Post/Tools.php#L32"},{"url":"https://plugins.trac.wordpress.org/browser/blog2social/trunk/includes/B2S/Ship/Save.php#L190"},{"url":"https://plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/B2S/Ship/Save.php#L190"},{"url":"https://plugins.trac.wordpress.org/browser/blog2social/trunk/includes/Ajax/Post.php#L2178"},{"url":"https://plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/Ajax/Post.php#L2178"},{"url":"https://plugins.trac.wordpress.org/browser/blog2social/trunk/includes/Loader.php#L2202"},{"url":"https://plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/Loader.php#L2202"},{"url":"https://plugins.trac.wordpress.org/changeset/3494550/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4330"},{"url":"https://plugins.trac.wordpress.org/changeset/3494550"},{"url":"https://github.com/advisories/GHSA-gx9c-69hc-cjmj"}],"sources":{"cve":[{"id":"CVE-2026-4330","title":"Blog2Social: Social Media Auto Post \u0026 Scheduler \u003c= 8.8.3 - Authenticated (Subscriber+) Insecure Direct Object Reference to Arbitrary Post Schedule Modification via 'b2s_id' Parameter","description":"The Blog2Social: Social Media Auto Post \u0026 Scheduler plugin for WordPress is vulnerable to authorization bypass through user-controlled key in all versions up to, and including, 8.8.3. This is due to the plugin's AJAX handlers failing to validate that the user-supplied 'b2s_id' parameter belongs to the current user before performing UPDATE and DELETE operations. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify, reschedule, or delete other users' scheduled social media posts.","status":"published","published":"2026-04-08T07:43:03.247Z","modified":"2026-04-08T17:32:59.96Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:19:59.369956Z"}],"euvd":[{"id":"EUVD-2026-20125","description":"The Blog2Social: Social Media Auto Post \u0026 Scheduler plugin for WordPress is vulnerable to authorization bypass through user-controlled key in all versions up to, and including, 8.8.3. This is due to the plugin's AJAX handlers failing to validate that the user-supplied 'b2s_id' parameter belongs to the current user before performing UPDATE and DELETE operations. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify, reschedule, or delete other users' scheduled social media posts.","status":"published","published":"2026-04-08T07:43:03Z","modified":"2026-04-08T17:32:59Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:33.901341Z"}],"ghsa":[{"id":"GHSA-gx9c-69hc-cjmj","title":"The Blog2Social: Social Media Auto Post \u0026 Scheduler plugin for WordPress is vulnerable to...","description":"The Blog2Social: Social Media Auto Post \u0026 Scheduler plugin for WordPress is vulnerable to authorization bypass through user-controlled key in all versions up to, and including, 8.8.3. This is due to the plugin's AJAX handlers failing to validate that the user-supplied 'b2s_id' parameter belongs to the current user before performing UPDATE and DELETE operations. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify, reschedule, or delete other users' scheduled social media posts.","status":"published","published":"2026-04-08T09:31:31Z","modified":"2026-04-08T09:31:42Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:07:11.605224Z"}],"nvd":[{"id":"CVE-2026-4330","description":"The Blog2Social: Social Media Auto Post \u0026 Scheduler plugin for WordPress is vulnerable to authorization bypass through user-controlled key in all versions up to, and including, 8.8.3. This is due to the plugin's AJAX handlers failing to validate that the user-supplied 'b2s_id' parameter belongs to the current user before performing UPDATE and DELETE operations. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify, reschedule, or delete other users' scheduled social media posts.","status":"published","published":"2026-04-08T08:16:23.733Z","modified":"2026-07-24T20:10:00.147Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:13.535987Z"}]}}