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CVE-2026-16774

🗓️ 28 Jul 2026 11:32:47Reported by WordfenceType 
cve
 cve
🔗 web.nvd.nist.gov👁 35 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
quantumcloudwpbotRange8.5.9wordpress
[
  {
    "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 bodywp_ajax_wpcs_send_emailUnauthenticated users can abuse the wpcs_send_email AJAX action to forward arbitrary recipient, subject, and body to wp_mail(), enabling spam/abuse.CWE-862
recipientrequest bodywp_ajax_wpcs_send_emailUnauthenticated users can abuse the wpcs_send_email AJAX action to forward arbitrary recipient, subject, and body to wp_mail(), enabling spam/abuse.CWE-862
subjectrequest bodywp_ajax_wpcs_send_emailUnauthenticated users can abuse the wpcs_send_email AJAX action to forward arbitrary recipient, subject, and body to wp_mail(), enabling spam/abuse.CWE-862
bodyrequest bodywp_ajax_wpcs_send_emailUnauthenticated users can abuse the wpcs_send_email AJAX action to forward arbitrary recipient, subject, and body to wp_mail(), enabling spam/abuse.CWE-862

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28 Jul 2026 16:17Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.3
EPSS0.00235
SSVC
35