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: 0.004 (33.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-91024: held from 0.002 to 0.004.

EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002

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.