{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-78003", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-08-21T19:58:10.111Z", "datePublished": "2026-08-22T08:26:38.970Z", "dateUpdated": "2026-08-22T08:26:38.970Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-08-22T08:26:38.970Z"}, "affected": [{"vendor": "mailgun", "product": "Mailgun for WordPress", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "2.2.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Mailgun for WordPress plugin for WordPress is vulnerable to Server-Side Request Forgery (SSRF) via path traversal in versions up to and including 2.2.0. This is due to insufficient input validation in the add_list() function, which accepts user-controlled array keys from $_POST['addresses'], passes them through sanitize_text_field(). This makes it possible for unauthenticated attackers to make authenticated POST requests to any Mailgun API endpoint using the WordPress site's API key, including creating inbound email-forwarding routes that can intercept password reset emails, leading to administrator account takeover."}], "title": "Mailgun for WordPress <= 2.2.0 - Unauthenticated Server-Side Request Forgery (SSRF) via 'addresses' Array Keys", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/110e888d-69fc-4682-b908-2b62288c5227?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/mailgun/trunk/mailgun.php#L557"}, {"url": "https://plugins.trac.wordpress.org/browser/mailgun/trunk/mailgun.php#L259"}, {"url": "https://plugins.trac.wordpress.org/browser/mailgun/tags/2.1.10/mailgun.php#L259"}, {"url": "https://plugins.trac.wordpress.org/browser/mailgun/trunk/mailgun.php#L323"}, {"url": "https://plugins.trac.wordpress.org/browser/mailgun/tags/2.1.10/mailgun.php#L323"}, {"url": "https://plugins.trac.wordpress.org/browser/mailgun/trunk/mailgun.php#L331"}, {"url": "https://plugins.trac.wordpress.org/browser/mailgun/tags/2.1.10/mailgun.php#L331"}, {"url": "https://plugins.trac.wordpress.org/browser/mailgun/tags/2.1.10/mailgun.php#L557"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-918 Server-Side Request Forgery (SSRF)", "cweId": "CWE-918", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL"}}], "credits": [{"lang": "en", "type": "finder", "value": "Osvaldo Noe Gonzalez Del Rio (Os)"}], "timeline": [{"time": "2026-08-21T00:00:00.000Z", "lang": "en", "value": "Disclosed"}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Mailgun for WordPress", "vendor": "mailgun", "versions": [{"lessThanOrEqual": "2.2.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Mailgun for WordPress plugin for WordPress is vulnerable to Server-Side Request Forgery (SSRF) via path traversal in versions up to and including 2.2.0. This is due to insufficient input validation in the add_list() function, which accepts user-controlled array keys from $_POST['addresses'], passes them through sanitize_text_field(). This makes it possible for unauthenticated attackers to make authenticated POST requests to any Mailgun API endpoint using the WordPress site's API key, including creating inbound email-forwarding routes that can intercept password reset emails, leading to administrator account takeover."}], "id": "CVE-2026-78003", "lastModified": "2026-08-22T09:16:53.543", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "security@wordfence.com", "type": "Primary"}]}, "published": "2026-08-22T09:16:53.543", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/mailgun/tags/2.1.10/mailgun.php#L259"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/mailgun/tags/2.1.10/mailgun.php#L323"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/mailgun/tags/2.1.10/mailgun.php#L331"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/mailgun/tags/2.1.10/mailgun.php#L557"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/mailgun/trunk/mailgun.php#L259"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/mailgun/trunk/mailgun.php#L323"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/mailgun/trunk/mailgun.php#L331"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/mailgun/trunk/mailgun.php#L557"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/110e888d-69fc-4682-b908-2b62288c5227?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

{}