{"id":"CVE-2026-1051","state":"PUBLISHED","title":"Newsletter – Send awesome emails from WordPress <= 9.1.0 - Cross-Site Request Forgery to Newsletter Unsubscription","description":"The Newsletter – Send awesome emails from WordPress plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 9.1.0. This is due to missing or incorrect nonce validation on the hook_newsletter_action() function. This makes it possible for unauthenticated attackers to unsubscribe newsletter subscribers via a forged request granted they can trick a logged-in user into performing an action such as clicking on a link.","publishedAt":"2026-01-20T01:22:45.980Z","updatedAt":"2026-04-08T17:06:15.083Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["satollo Newsletter – Send awesome emails from WordPress"],"affected":[{"vendor":"satollo","product":"Newsletter – Send awesome emails from WordPress","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"9.1.0","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/8de2156f-5087-4c16-8e5d-93b5c72ec536?source=cve","https://plugins.trac.wordpress.org/browser/newsletter/tags/9.1.0/unsubscription/unsubscription.php#L141"],"weaknesses":["CWE-352"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/1xxx/CVE-2026-1051.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-1051","state":"PUBLISHED","datePublished":"2026-01-20T01:22:45.980Z","dateUpdated":"2026-04-08T17:06:15.083Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2026-01-16T16:43:52.499Z"},"containers":{"cna":{"title":"Newsletter – Send awesome emails from WordPress <= 9.1.0 - Cross-Site Request Forgery to Newsletter Unsubscription","descriptions":[{"lang":"en","value":"The Newsletter – Send awesome emails from WordPress plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 9.1.0. This is due to missing or incorrect nonce validation on the hook_newsletter_action() function. This makes it possible for unauthenticated attackers to unsubscribe newsletter subscribers via a forged request granted they can trick a logged-in user into performing an action such as clicking on a link."}],"affected":[{"vendor":"satollo","product":"Newsletter – Send awesome emails from WordPress","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"9.1.0","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/8de2156f-5087-4c16-8e5d-93b5c72ec536?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/newsletter/tags/9.1.0/unsubscription/unsubscription.php#L141"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","baseScore":4.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-352","lang":"en","description":"CWE-352 Cross-Site Request Forgery (CSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-04-08T17:06:15.083Z"},"credits":[{"lang":"en","type":"finder","value":"Sergej Ljubojevic"},{"lang":"en","type":"finder","value":"Boris Bogosavac"}],"timeline":[{"time":"2026-01-05T00:00:00.000Z","lang":"en","value":"Discovered"},{"time":"2026-01-17T11:23:47.000Z","lang":"en","value":"Vendor Notified"},{"time":"2026-01-19T11:44:32.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-20T20:33:50.543260Z","id":"CVE-2026-1051","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-20T20:34:46.858Z"}}]}}}