CVE-2026-86838

Published: Set 28, 2026 Last Modified: Set 28, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 5,3
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: low
Availability: none

Description

AI Translation Available

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.

472

External Control of Assumed-Immutable Web Parameter

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity
Potential Impacts:
Modify Application Data
Applicable Platforms
Technologies: Web Based, Web Server
View CWE Details
https://wpscan.com/vulnerability/1c8a53e7-5556-4dcb-a461-c6…
https://wpscan.com/vulnerability/1c8a53e7-5556-4dcb-a461-c6df253d0b7a/