{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-13039", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-06-23T17:16:57.845Z", "datePublished": "2026-07-10T20:31:37.672Z", "dateUpdated": "2026-07-10T20:31:37.672Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-07-10T20:31:37.672Z"}, "affected": [{"vendor": "arraytics", "product": "Eventin \u2013 Event Calendar, Event Registration, Tickets & Booking (AI Powered)", "versions": [{"version": "4.0.26", "status": "affected", "lessThanOrEqual": "4.1.15", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Eventin \u2013 Event Calendar, Event Registration, Tickets & Booking (AI Powered) plugin for WordPress is vulnerable to authorization bypass due to a regression in versions from 4.0.26 up to and including 4.1.15. This is due to the plugin not properly verifying that a user is authorized to perform an action in the payment_complete() function of PaymentController.php. This makes it possible for unauthenticated attackers to mark unpaid ticket orders as completed by submitting a fabricated SureCart checkout ID or FluentCart cart hash, granting themselves paid event access, QR-code attendee tickets, and order confirmation emails without making any real payment. The wp_rest nonce required to reach the vulnerable endpoint is embedded in every public event page, meaning no WordPress session or credentials are needed to obtain it. This vulnerability represents a regression \u2014 the same function and endpoint were previously patched but the fix did not persist through subsequent releases."}], "title": "Eventin 4.0.26 - 4.1.15 - Missing Authorization to Unauthenticated Payment Bypass via REST API", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/84a5348a-a307-4db4-83b6-08682282a4b8?source=cve"}, {"url": "https://plugins.trac.wordpress.org/changeset?reponame=&old=3600977%40wp-event-solution&new=3600977%40wp-event-solution"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-862 Missing Authorization", "cweId": "CWE-862", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}], "credits": [{"lang": "en", "type": "finder", "value": "Niv Kochan"}], "timeline": [{"time": "2026-06-23T17:32:07.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-07-09T19:12:34.000Z", "lang": "en", "value": "Disclosed"}]}}}

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