{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-3018: Newsletters <= 4.13 - Unauthenticated SQL Injection via wpmlsubscriber_id Parameter","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-3018","status":"final","version":"1","initial_release_date":"2026-06-10T08:28:20.635Z","current_release_date":"2026-06-10T12:46:38.254Z","revision_history":[{"date":"2026-06-10T08:28:20.635Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"The Newsletters plugin for WordPress is vulnerable to time-based SQL Injection via the ‘wpmlsubscriber_id’ parameter in all versions up to, and including, 4.13 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query.  This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-3018 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-3018"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-3018"},{"category":"external","summary":"wordfence.com","url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/8e2672b5-64a2-4b30-b0be-2a9303d46ac1?source=cve"},{"category":"external","summary":"plugins.trac.wordpress.org","url":"https://plugins.trac.wordpress.org/browser/newsletters-lite/tags/4.11/wp-mailinglist-plugin.php#L6040"},{"category":"external","summary":"plugins.trac.wordpress.org","url":"https://plugins.trac.wordpress.org/changeset/3566485/newsletters-lite"}]},"product_tree":{"branches":[{"category":"vendor","name":"contrid","branches":[{"category":"product_name","name":"Newsletters","branches":[{"category":"product_version_range","name":"<=4.13","product":{"name":"contrid Newsletters <=4.13","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:contrid:newsletters:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-3018","title":"Newsletters <= 4.13 - Unauthenticated SQL Injection via wpmlsubscriber_id Parameter","notes":[{"category":"description","text":"The Newsletters plugin for WordPress is vulnerable to time-based SQL Injection via the ‘wpmlsubscriber_id’ parameter in all versions up to, and including, 4.13 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query.  This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","baseScore":7.5,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}