{"id":"CVE-2026-93766","aliases":[],"cve":{"records":[{"id":"CVE-2026-93766","source":"Wordfence","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-18T16:53:12.706Z","published":"2026-11-07T11:26:30.560Z","modified":"2026-11-07T18:06:00.841Z"}],"publishers":[{"name":"Wordfence","role":"CNA","organizationId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","modified":"2026-11-07T11:26:30.560Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-11-07T18:06:00.841Z"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/71fac3d5-40d5-41d5-b756-2f1e941709b6?source=cve","tags":[],"source":"Wordfence"},{"url":"https://wordpress.org/plugins/happyforms-upgrade/#developers","tags":[],"source":"Wordfence"},{"url":"https://happyforms.io/whats-new/","tags":[],"source":"Wordfence"}],"weaknesses":[{"id":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation","source":"Wordfence"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-11-07T17:59:46.341134Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"Happyforms Pro <= 1.38.9 - Unauthenticated Stored Cross-Site Scripting via 'happyforms_client_referer' Parameter","titleSource":"Wordfence","descriptionSource":"Wordfence","description":"The Happyforms Pro plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'happyforms_client_referer' parameter in all versions up to, and including, 1.38.9 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","score":7.2,"severity":"high","published":"2026-11-07T11:26:30.560Z","modified":"2026-11-07T18:06:00.841Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Happyforms","name":"Happyforms Pro","platforms":[],"versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.38.9","versionType":"semver"}],"defaultStatus":"unaffected","cpes":[],"source":"Wordfence","url":"https://www.cve.org/CVERecord?id=CVE-2026-93766"}],"remediation":[],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/71fac3d5-40d5-41d5-b756-2f1e941709b6?source=cve","https://wordpress.org/plugins/happyforms-upgrade/#developers","https://happyforms.io/whats-new/"],"sources":[{"name":"CVE","id":"CVE-2026-93766","modified":"2026-11-07T18:06:00.841Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-93766"}],"assessments":[{"source":"Wordfence","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","score":7.2}],"sourceAffected":[],"observedAt":"2026-11-07T18:17:52.889Z","kev":{"status":"not-listed","checkedAt":"2026-11-14T23:30:30.969Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-07T13:35:42.555Z","attemptedAt":"2026-11-07T13:35:42.555Z"},{"source":"GHSA","status":"available","checkedAt":"2026-11-07T13:35:41.746Z","attemptedAt":"2026-11-07T13:35:41.746Z"},{"source":"EUVD","status":"available","checkedAt":"2026-11-07T13:35:43.621Z","attemptedAt":"2026-11-07T13:35:43.621Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-11-07T13:35:42.149Z","attemptedAt":"2026-11-07T13:35:42.149Z"}],"evidence":[{"source":"GitHub Advisory Database","id":"GHSA-4jjw-8w4r-774r","url":"https://github.com/advisories/GHSA-4jjw-8w4r-774r","modified":"2026-11-07T12:32:02Z","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","checkedAt":"2026-11-07T13:35:41.746Z"},{"source":"NVD","id":"CVE-2026-93766","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93766","modified":"2026-11-07T12:17:47.393","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","checkedAt":"2026-11-07T13:35:42.555Z"},{"source":"ENISA EUVD","id":"EUVD-2026-119151","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-119151","modified":"Nov 7, 2026, 11:26:30 AM","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","checkedAt":"2026-11-07T13:35:43.621Z"}],"aiSummary":{"text":"Happyforms Pro versions up to 1.38.9 have a Stored Cross-Site Scripting vulnerability via the 'happyforms_client_referer' parameter due to insufficient input sanitization. Unauthenticated attackers can inject arbitrary web scripts. This affects WordPress plugin users.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-07T11:56:05.188Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-93766"}]}}