{"id":"CVE-2026-89031","state":"PUBLISHED","title":"Blog2Social WordPress Plugin < 9.1.0 Broken Access Control via b2s_calendar_move_post","description":"Adenion Blog2Social plugin for WordPress before 9.1.0 allows low-privileged users to modify the scheduled post records of other users. The b2s_calendar_move_post AJAX handler in includes/Ajax/Post.php issues an UPDATE against the b2s_posts table using only the attacker-supplied b2s_id primary key with no blog_user_id ownership constraint, allowing any user with the edit_posts capability to reschedule, suppress, or alter the publication state of any other user's scheduled social media post.","publishedAt":"2026-09-16T14:03:03.600Z","updatedAt":"2026-10-01T15:21:53.408Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["Adenion Blog2Social"],"affected":[{"vendor":"Adenion","product":"Blog2Social","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"9.1.0","versionType":"semver"}]}],"references":["https://wordpress.org/plugins/blog2social/#developers","https://www.vulncheck.com/advisories/blog2social-wordpress-plugin-broken-access-control-via-b2s-calendar-move-post"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/89xxx/CVE-2026-89031.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89031","state":"PUBLISHED","datePublished":"2026-09-16T14:03:03.600Z","dateUpdated":"2026-10-01T15:21:53.408Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-09-10T16:23:54.472Z"},"containers":{"cna":{"title":"Blog2Social WordPress Plugin < 9.1.0 Broken Access Control via b2s_calendar_move_post","descriptions":[{"lang":"en","value":"Adenion Blog2Social plugin for WordPress before 9.1.0 allows low-privileged users to modify the scheduled post records of other users. 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