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CVE-2026-16774

🗓️ 28 Jul 2026 11:32:47Reported by WordfenceType 
cve
 cve
🔗 web.nvd.nist.gov👁 43 Views🌐 WEB

CVE-2026-16774 WPBot <=8.5.9 allows unauthenticated email relay via wpcs_send_email with no nonce or checks.

Related
Detection
Affected
Refs
Paths
Vulners
Node
quantumcloudwpbotRange≤8.5.9wordpress
[
  {
    "vendor": "quantumcloud",
    "product": "WPBot – AI ChatBot for Live Support, Lead Generation, AI Services",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "lessThanOrEqual": "8.5.9",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
ParameterPositionPathDescriptionCWE
actionrequest body/wp-admin/admin-ajax.phpThe wpcs_send_email AJAX handler allows unauthenticated attackers to send arbitrary emails from the site by forwarding recipient, subject, and body directly to wp_mail() without nonce, capability checks, or rate limiting.CWE-862
recipientrequest body/wp-admin/admin-ajax.phpThe wpcs_send_email AJAX handler allows unauthenticated attackers to send arbitrary emails from the site by forwarding recipient, subject, and body directly to wp_mail() without nonce, capability checks, or rate limiting.CWE-862
subjectrequest body/wp-admin/admin-ajax.phpThe wpcs_send_email AJAX handler allows unauthenticated attackers to send arbitrary emails from the site by forwarding recipient, subject, and body directly to wp_mail() without nonce, capability checks, or rate limiting.CWE-862
bodyrequest body/wp-admin/admin-ajax.phpThe wpcs_send_email AJAX handler allows unauthenticated attackers to send arbitrary emails from the site by forwarding recipient, subject, and body directly to wp_mail() without nonce, capability checks, or rate limiting.CWE-862

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28 Jul 2026 16:17Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.3
EPSS0.00403
SSVC
43