XSS in Wp Booking System

CVE-2026-109147

The WP Booking System WordPress plugin before 2.1.0.3 does not validate and escape one of its parameters before reflecting it back in an admin page, leading to Reflected Cross-Site Scripting which could be used against high privilege users such as administrators.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

  • Wp Booking System

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-109147?
CVE-2026-109147 is a high-severity vulnerability in Wp Booking System, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2026-10-21.
How severe is CVE-2026-109147?
High severity. CVSS v3 base score is 7.1 out of 10.