CVE-2026-86838

Summary

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.

Affected Software

VendorProductVersion RangeStatus
UnknownBookly0 < 28.3affected

Weaknesses

  • CWE-472 External Control of Assumed-Immutable Web Parameter

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References