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CVE-2026-86838mediumCWE-472

Bookly < 28.3 - Unauthenticated Payment Bypass via Booking Price Manipulation

33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 5.3epss 0.2%
exploitation probability
0.2%top 89% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected products
Unknown · Bookly
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