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Medium

Bookly < 28.3 - Unauthenticated Payment Bypass via Booking Price Manipulation

Type: advisorySource: Official CVE List1 source record

The Bookly WordPress plugin before 28.3 does not validate client-supplied booking quantity values on the server before computing the appointment total, allowing unauthenticated users to reduce the total to zero and book paid services for free while bypassing the payment step.

Announced Source revision 1
Original source ↗

CVE-2026-86838

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-86838

Bookly

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "Unknown",
    "product": "Bookly",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "28.3",
        "versionType": "semver"
      }
    ],
    "collectionURL": "https://wordpress.org/plugins",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-86838

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#3166 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement