CVE-2021-24555

8.8 highEPSS 0.8%

High (8.8) in roosty diary-availability-calendar. EPSS 0.8% chance of exploitation in the next 30 days.

The daac_delete_booking_callback function, hooked to the daac_delete_booking AJAX action, takes the id POST parameter which is passed into the SQL statement without proper sanitisation, validation or escaping, leading to a SQL Injection issue. Furthermore, the ajax action is lacking any CSRF and capability check, making it available to any authenticated user.

Severity

CVSS 3.1

8.8 high

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

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 57% of CVEs (scores of 2026-10-31)
CWEs: CWE-89, CWE-352
Published: 2021-08-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

roosty:diary-availability-calendar

References

https://codevigilant.com/disclosure/2021/wp-plugin-diary-availability-calendar/
https://wpscan.com/vulnerability/8eafd84b-6214-450b-869b-0afe7cca4c5f
https://codevigilant.com/disclosure/2021/wp-plugin-diary-availability-calendar/
https://wpscan.com/vulnerability/8eafd84b-6214-450b-869b-0afe7cca4c5f

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