CVE-2026-86838
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Bookly
PublishedSep 28, 2026
First seenSep 28, 2026
Weakness typeCWE-472CWE-472
How to fix
Update
- Bookly28.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Bookly | v < 28.3 | 28.3 |
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