PT-2026-99774 · WordPress · Bookly

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CVE-2026-86838

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Published

2026-09-28

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Updated

2026-09-28

CVSS v3.1

5.3

Medium

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Name of the Vulnerable Software and Affected Versions Bookly WordPress plugin versions prior to 28.3
Description Insufficient server-side validation of client-supplied booking quantity values allows unauthenticated users to manipulate the appointment total. By reducing the total to zero, an attacker can book paid services for free and bypass the payment process.
Recommendations Update Bookly WordPress plugin to version 28.3 or later.

Exploit

Fix

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Weakness Enumeration

Related Identifiers

CVE-2026-86838

Affected Products

Bookly