CVE-2026-109147
WP Booking System < 2.1.0.3 - Reflected XSS via 'booking_id' Parameter
Unknown WP Booking System
CVSS
7.1HighExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.19%Chance of exploitation activity in the next 30 days, higher than 8% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 2.1.0.3WP Booking SystemCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Description
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.
Text from CVE List
Affected versions 1
- WP Booking Systemaffected: all versions before 2.1.0.3CVE List