{"id":"CVE-2026-77807","title":"AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress <= 11.0.4 - Unauthenticated Arbitrary File Read via 'user[name]' Parameter","summary":"The AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 11.0.4 via the `user[name]` Parameter. This ma…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cvssSource":"cna","cwe":["CWE-22"],"vendor":"acyba","product":"AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress","affected":["acymailing_an_ultimate_newsletter_plugin_and_marketing_automation_solution_for_wordpress <= 11.0.4"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-11T16:34:26.590519Z"},"published":"2026-09-10","updated":"2026-09-11","sourceUpdated":"2026-09-11T20:31:01.134Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-77807","references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/19a9b952-84db-4911-bb50-52d74ec01cb8?source=cve"},{"url":"https://plugins.trac.wordpress.org/changeset/3679457/"}],"tags":["cve.org"],"epss":0.0068,"epssPercentile":0.50984,"ingestedAt":"2026-09-14T11:11:19.881Z","slug":"CVE-2026-77807","body":"## Overview\n\nThe AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 11.0.4 via the `user[name]` Parameter. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information. Exploitation requires \"Embed images\" option in AcyMailing configuration being enabled.\n\n## Affected\n\n- `acymailing_an_ultimate_newsletter_plugin_and_marketing_automation_solution_for_wordpress <= 11.0.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}