{"id":"CVE-2026-18437","state":"PUBLISHED","title":"MailPress <= 1.5.0 - Missing Authorization to Unauthenticated Contact Updates","description":"The MailerPress – Newsletter, email marketing & AI automation plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the  `mailerpress/v1/contact` endpoint in all versions up to, and including, 1.5.0. This makes it possible for unauthenticated attackers to update contact details.","publishedAt":"2026-07-31T08:30:15.331Z","updatedAt":"2026-07-31T14:50:17.110Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["mailerpress MailerPress – Newsletter, email marketing & AI automation"],"affected":[{"vendor":"mailerpress","product":"MailerPress – Newsletter, email marketing & AI automation","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.5.0","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/159d031b-0362-4625-9d98-3908401c8ee8?source=cve","https://plugins.trac.wordpress.org/browser/mailerpress/trunk/src/Api/Contacts.php#L847","https://plugins.trac.wordpress.org/browser/mailerpress/trunk/src/Api/Contacts.php#L801"],"weaknesses":["CWE-862"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/18xxx/CVE-2026-18437.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-18437","state":"PUBLISHED","datePublished":"2026-07-31T08:30:15.331Z","dateUpdated":"2026-07-31T14:50:17.110Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2026-07-30T20:21:38.396Z"},"containers":{"cna":{"title":"MailPress <= 1.5.0 - Missing Authorization to Unauthenticated Contact Updates","descriptions":[{"lang":"en","value":"The MailerPress – Newsletter, email marketing & AI automation plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the  `mailerpress/v1/contact` endpoint in all versions up to, and including, 1.5.0. This makes it possible for unauthenticated attackers to update contact details."}],"affected":[{"vendor":"mailerpress","product":"MailerPress – Newsletter, email marketing & AI automation","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.5.0","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/159d031b-0362-4625-9d98-3908401c8ee8?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/mailerpress/trunk/src/Api/Contacts.php#L847"},{"url":"https://plugins.trac.wordpress.org/browser/mailerpress/trunk/src/Api/Contacts.php#L801"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","baseScore":5.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862 Missing Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-07-31T08:30:15.331Z"},"credits":[{"lang":"en","type":"finder","value":"Jakub Lipiński (A3RES)"}],"timeline":[{"time":"2026-07-30T20:36:58.000Z","lang":"en","value":"Vendor Notified"},{"time":"2026-07-30T20:21:58.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-31T14:50:06.250339Z","id":"CVE-2026-18437","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-31T14:50:17.110Z"}}]}}}