CVE-2026-8791

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Booking System Trafft", "vendor": "ameliabooking", "versions": [{"status": "affected", "version": "<= 1.0.17"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Booking System Trafft plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `bookingWebsiteUrl` setting in all versions up to, and including, 1.0.17 due to a missing capability check on the `set_options` AJAX action when the plugin is operating in agency mode. The `trafftSetOptions()` handler verifies a nonce that is exposed to any authenticated user (it is printed inline on every admin page, including profile.php) but performs no capability check before calling `update_option('trafft_option', ['bookingWebsiteUrl' => ...])`. This setting is then used by `trafftAdminAssets()` to enqueue `<bookingWebsiteUrl>/embed.js` as a script on every front-end page that renders the booking shortcode. This makes it possible for authenticated attackers, with Subscriber-level access and above, to point the embed-script URL at an attacker-controlled origin and execute arbitrary JavaScript in the browser of every site visitor (including admins)."}], "id": "CVE-2026-8791", "lastModified": "2026-07-30T14:01:30.413", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 2.7, "source": "security@wordfence.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-8791", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-29T15:21:57.742541Z", "version": "2.0.3"}}]}, "published": "2026-07-29T11:16:50.690", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/booking-system-trafft/tags/1.0.17/trafft.php#L139"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/booking-system-trafft/tags/1.0.17/trafft.php#L155"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/booking-system-trafft/tags/1.0.17/trafft.php#L176"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/booking-system-trafft/tags/1.0.17/trafft.php#L325"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/booking-system-trafft/tags/1.0.17/trafft.php#L354"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/booking-system-trafft/trunk/trafft.php#L139"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/booking-system-trafft/trunk/trafft.php#L155"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/booking-system-trafft/trunk/trafft.php#L176"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/booking-system-trafft/trunk/trafft.php#L325"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/booking-system-trafft/trunk/trafft.php#L354"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/e93060cf-2df3-4d45-a1f2-304f443d58bc?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

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