CVE-2026-76586

highCVSS 7.5covered by 1 sourcefirst seen 2026-08-29

The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin before 1.6.3 does not verify the amount actually paid against the server-side price staged for a booking when confirming an online payment, allowing unauthenticated users to have a paid appointment approved for a fraction of its price.

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Exploitation outlook

Low exploitation risk0.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all EPSS-scored CVEs.

Advisory coverage (1)

highCVE-2026-76586: The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin before 1.6.3 do…nvd · 2026-08-29

External references

NVD record for CVE-2026-76586

CVE.org record

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