{"id":"CVE-2026-4330","state":"PUBLISHED","title":"Blog2Social: Social Media Auto Post & Scheduler <= 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 & 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.","publishedAt":"2026-04-08T07:43:03.247Z","updatedAt":"2026-04-08T17:32:59.960Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["pr-gateway Blog2Social: Social Media Auto Post & Scheduler"],"affected":[{"vendor":"pr-gateway","product":"Blog2Social: Social Media Auto Post & Scheduler","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"8.8.3","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/f3eec9c6-fef9-4d6e-8328-51efb997c99c?source=cve","https://plugins.trac.wordpress.org/browser/blog2social/trunk/includes/Ajax/Post.php#L2183","https://plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/Ajax/Post.php#L2183","https://plugins.trac.wordpress.org/browser/blog2social/trunk/includes/Ajax/Post.php#L2273","https://plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/Ajax/Post.php#L2273","https://plugins.trac.wordpress.org/browser/blog2social/trunk/includes/Ajax/Post.php#L2322","https://plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/Ajax/Post.php#L2322","https://plugins.trac.wordpress.org/browser/blog2social/trunk/includes/B2S/Post/Tools.php#L32","https://plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/B2S/Post/Tools.php#L32","https://plugins.trac.wordpress.org/browser/blog2social/trunk/includes/B2S/Ship/Save.php#L190","https://plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/B2S/Ship/Save.php#L190","https://plugins.trac.wordpress.org/browser/blog2social/trunk/includes/Ajax/Post.php#L2178","https://plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/Ajax/Post.php#L2178","https://plugins.trac.wordpress.org/browser/blog2social/trunk/includes/Loader.php#L2202","https://plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/Loader.php#L2202","https://plugins.trac.wordpress.org/changeset/3494550/"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/4xxx/CVE-2026-4330.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-4330","state":"PUBLISHED","datePublished":"2026-04-08T07:43:03.247Z","dateUpdated":"2026-04-08T17:32:59.960Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2026-03-17T13:51:34.020Z"},"containers":{"cna":{"title":"Blog2Social: Social Media Auto Post & Scheduler <= 8.8.3 - Authenticated (Subscriber+) Insecure Direct Object Reference to Arbitrary Post Schedule Modification via 'b2s_id' Parameter","descriptions":[{"lang":"en","value":"The Blog2Social: Social Media Auto Post & Scheduler plugin for WordPress is vulnerable to authorization bypass through user-controlled key in all versions up to, and including, 8.8.3. 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