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CVE-2026-4807

🗓️ 07 May 2026 02:27:12Reported by WordfenceType 
cve
 cve
🔗 web.nvd.nist.gov👁 38 Views🌐 WEB

Unauthenticated users can view, modify, or delete any appointment in Appointment Booking Calendar up to 1.6.10.6 via public nonce.

Related
Detection
Affected
Refs
Paths
Vulners
Node
[
  {
    "vendor": "croixhaug",
    "product": "Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "lessThanOrEqual": "1.6.10.6",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
ParameterPositionPathDescriptionCWE
public_noncenestedwp-json/ssa/v1/embed-innerPublicly exposed site-wide nonce that enables authorization bypass when combined with other headersCWE-862
X-WP-Nonceheaderwp-json/ssa/v1/appointments/{id}/deleteDelete endpoint that accepts both X-WP-Nonce and X-PUBLIC-Nonce, allowing unauthenticated deletion when public nonce is validCWE-862
X-PUBLIC-Nonceheaderwp-json/ssa/v1/appointments/{id}/deleteDelete endpoint that accepts both X-WP-Nonce and X-PUBLIC-Nonce, allowing unauthenticated deletion when public nonce is validCWE-862
X-WP-Nonceheaderwp-json/ssa/v1/appointments/bulkBulk delete endpoint with permissive nonce check enabling unauthorized modifications/deletionsCWE-862
X-PUBLIC-Nonceheaderwp-json/ssa/v1/appointments/bulkBulk delete endpoint with permissive nonce check enabling unauthorized modifications/deletionsCWE-862

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