SQL Injection in Booking Manager

CVE-2026-91024

The Booking Manager WordPress plugin before 2.1.21 does not sanitize and escape values taken from a fetched external iCalendar feed before using them in a SQL query, allowing authenticated users with Author-level access and above to perform SQL injection attacks by importing a feed they control.

Vulnerability class: SQL Injection

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (13.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

  • Booking Manager

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-91024?
CVE-2026-91024 is a medium-severity vulnerability in Booking Manager, classified under SQL Injection. CVSS score: 6.8/10. Published 2026-09-23.
How severe is CVE-2026-91024?
Medium severity. CVSS v3 base score is 6.8 out of 10.