Medium (5.4) in elbtide advanced booking calendar. EPSS 0.7% chance of exploitation in the next 30 days.
The Advanced Booking Calendar WordPress plugin before 1.6.7 did not sanitise the calId GET parameter in the "Seasons & Calendars" page before outputing it in an A tag, leading to a reflected XSS issue
Severity
CVSS 3.1
5.4 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)