{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-8760", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-05-16T18:34:47.484Z", "datePublished": "2026-05-27T05:31:29.863Z", "dateUpdated": "2026-05-27T05:31:29.863Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-05-27T05:31:29.863Z"}, "affected": [{"vendor": "india-web-developer", "product": "Login with OTP", "versions": [{"version": "<= 1.6", "status": "affected"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Login with OTP plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including, 1.6. This is due to an incomplete fix for CVE-2024-11178: the rate-limit/lockout check added to `otpl_login_action()` was placed only inside the OTP-generation branch and is never evaluated on the OTP-validation branch, and the generated 6-digit OTP additionally has no expiration. This makes it possible for unauthenticated attackers to brute-force the 900,000-value OTP space for any user account (including administrators) and obtain a valid `wp_set_auth_cookie()` session, leading to full site compromise."}], "title": "Login with OTP <= 1.6 - Unauthenticated Authentication Bypass via OTP Brute Force", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ad22cb24-e6a0-456f-afe8-88a39acd97d3?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/otp-login/tags/1.6/lib/otpl-class.php#L419"}, {"url": "https://plugins.trac.wordpress.org/browser/otp-login/trunk/lib/otpl-class.php#L419"}, {"url": "https://plugins.trac.wordpress.org/browser/otp-login/tags/1.6/lib/otpl-class.php#L424"}, {"url": "https://plugins.trac.wordpress.org/browser/otp-login/trunk/lib/otpl-class.php#L424"}, {"url": "https://plugins.trac.wordpress.org/browser/otp-login/tags/1.6/lib/otpl-class.php#L427"}, {"url": "https://plugins.trac.wordpress.org/browser/otp-login/trunk/lib/otpl-class.php#L427"}, {"url": "https://plugins.trac.wordpress.org/browser/otp-login/tags/1.6/lib/otpl-class.php#L361"}, {"url": "https://plugins.trac.wordpress.org/browser/otp-login/trunk/lib/otpl-class.php#L361"}, {"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-11178"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-307 Improper Restriction of Excessive Authentication Attempts", "cweId": "CWE-307", "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": "Irwan Kusuma"}], "timeline": [{"time": "2026-05-26T17:20:31.000Z", "lang": "en", "value": "Disclosed"}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Login with OTP plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including, 1.6. This is due to an incomplete fix for CVE-2024-11178: the rate-limit/lockout check added to `otpl_login_action()` was placed only inside the OTP-generation branch and is never evaluated on the OTP-validation branch, and the generated 6-digit OTP additionally has no expiration. This makes it possible for unauthenticated attackers to brute-force the 900,000-value OTP space for any user account (including administrators) and obtain a valid `wp_set_auth_cookie()` session, leading to full site compromise."}], "id": "CVE-2026-8760", "lastModified": "2026-05-27T07:16:14.927", "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": "2026-05-27T07:16:14.927", "references": [{"source": "security@wordfence.com", "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-11178"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/otp-login/tags/1.6/lib/otpl-class.php#L361"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/otp-login/tags/1.6/lib/otpl-class.php#L419"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/otp-login/tags/1.6/lib/otpl-class.php#L424"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/otp-login/tags/1.6/lib/otpl-class.php#L427"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/otp-login/trunk/lib/otpl-class.php#L361"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/otp-login/trunk/lib/otpl-class.php#L419"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/otp-login/trunk/lib/otpl-class.php#L424"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/otp-login/trunk/lib/otpl-class.php#L427"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ad22cb24-e6a0-456f-afe8-88a39acd97d3?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-307"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

{"created": "2026-05-27T07:30:16.585002+00:00", "updated": "2026-05-27T07:30:16.585012+00:00", "vendors": []}