CVE-2021-24673

4.8 mediumEPSS 0.6%

Medium (4.8) in dwbooster appointment hour booking. EPSS 0.6% chance of exploitation in the next 30 days.

The Appointment Hour Booking WordPress plugin before 1.3.16 does not escape some of the Calendar Form settings, allowing high privilege users to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Severity

CVSS 3.1

4.8 medium

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-10-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

dwbooster:appointment_hour_booking

References

https://wpscan.com/vulnerability/75a67932-d831-4dfb-a70d-a07650eaa755
https://wpscan.com/vulnerability/75a67932-d831-4dfb-a70d-a07650eaa755

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