{"id":"CVE-2026-89030","published":"2026-09-16T14:17:13.193","lastModified":"2026-09-16T16:17:20.330","description":"Adenion Blog2Social plugin for WordPress before 9.1.0 exposes the email addresses of all registered WordPress users to low-privileged accounts. The b2s_search_user AJAX handler in includes/Ajax/Get.php invokes B2S_Tools::searchUser() in includes/Tools.php, which returns the email address of every matching user without restricting access to callers holding the list_users capability, allowing any user with the edit_posts capability to retrieve user email addresses including those of administrators.","cvssScore":4.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cwes":["CWE-862"],"vendors":[],"products":[],"references":[{"url":"https://wordpress.org/plugins/blog2social/#developers","tags":[]},{"url":"https://www.vulncheck.com/advisories/blog2social-wordpress-plugin-user-email-disclosure-via-b2s-search-user","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}