CVE-2026-16282 (GCVE-0-2026-16282)

Vulnerability from cvelistv5 – Published: 2026-08-08 06:00 – Updated: 2026-08-08 06:00
VLAI
Title
Appointment Hour Booking < 1.5.88 - Unauthenticated Booking Price Manipulation via tcost Parameter
Summary
The Appointment Hour Booking WordPress plugin before 1.5.88 does not validate a client-supplied booking price against the server-side configured service price, allowing unauthenticated users to submit an arbitrary final price (including zero or negative) that is stored as the authoritative booking price, corrupting booking and payment records.
Severity
No CVSS data available.
CWE
Assigner
References
URL Tags
https://wpscan.com/vulnerability/e87116af-d202-43… exploitvdb-entrytechnical-description
Impacted products
Vendor Product Version
Unknown Appointment Hour Booking Affected: 0 , < 1.5.88 (semver)
Create a notification for this product.
Credits
Researcher1: Alessandro Greco aka Aleff; Researcher2: Giovambattista Ianni; Company/Organization: University of Calabria (UNICAL) WPScan
Show details on NVD website
To clipboard 

{
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    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Appointment Hour Booking",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "1.5.88",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Researcher1: Alessandro Greco aka Aleff; Researcher2: Giovambattista Ianni; Company/Organization: University of Calabria (UNICAL)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "WPScan"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The Appointment Hour Booking  WordPress plugin before 1.5.88 does not validate a client-supplied booking price against the server-side configured service price, allowing unauthenticated users to submit an arbitrary final price (including zero or negative) that is stored as the authoritative booking price, corrupting booking and payment records."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-287 Improper Authentication",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-08T06:00:10.896Z",
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "shortName": "WPScan"
      },
      "references": [
        {
          "tags": [
            "exploit",
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://wpscan.com/vulnerability/e87116af-d202-434b-9f47-e61e9c886240/"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Appointment Hour Booking \u003c 1.5.88 - Unauthenticated Booking Price Manipulation via tcost Parameter",
      "x_generator": {
        "engine": "WPScan CVE Generator"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
    "assignerShortName": "WPScan",
    "cveId": "CVE-2026-16282",
    "datePublished": "2026-08-08T06:00:10.896Z",
    "dateReserved": "2026-07-20T10:58:19.374Z",
    "dateUpdated": "2026-08-08T06:00:10.896Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-16282\",\"sourceIdentifier\":\"contact@wpscan.com\",\"published\":\"2026-08-08T07:17:09.900\",\"lastModified\":\"2026-08-08T07:17:09.900\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The Appointment Hour Booking  WordPress plugin before 1.5.88 does not validate a client-supplied booking price against the server-side configured service price, allowing unauthenticated users to submit an arbitrary final price (including zero or negative) that is stored as the authoritative booking price, corrupting booking and payment records.\"}],\"affected\":[{\"source\":\"contact@wpscan.com\",\"affectedData\":[{\"vendor\":\"Unknown\",\"product\":\"Appointment Hour Booking\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"1.5.88\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{},\"references\":[{\"url\":\"https://wpscan.com/vulnerability/e87116af-d202-434b-9f47-e61e9c886240/\",\"source\":\"contact@wpscan.com\"}]}}"
  }
}



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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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