Description
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.
Published: 2026-09-28
Score: 5.3 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 28 Sep 2026 08:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20

Mon, 28 Sep 2026 06:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Bookly < 28.3 - Unauthenticated Payment Bypass via Booking Price Manipulation
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-09-28T06:19:20.567Z

Reserved: 2026-09-08T14:42:34.349Z

Link: CVE-2026-86838

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-28T07:17:20.953

Modified: 2026-09-28T07:17:20.953

Link: CVE-2026-86838

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-28T08:00:15Z

Weaknesses