What is CVE-2026-25435?

CVE-2026-25435 is a high-severity vulnerability in Wpdevart Booking Calendar, Appointment System, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2026-03-25.

How severe is CVE-2026-25435?

High severity. CVSS v3 base score is 7.1 out of 10.

XSS in Wpdevart Booking Calendar, Appointment System

CVE-2026-25435

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in wpdevart Booking calendar, Appointment Booking System booking-calendar allows Stored XSS.This issue affects Booking calendar, Appointment…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (14.4th percentile) — read the EPSS interpretation.

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.

Affected products

Wpdevart Booking Calendar, Appointment System — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

patchstack.com/database/Wordpress/Plugin/booking-calendar/vulnerability/wordpre… (vdb-entry)

Frequently asked questions

What is CVE-2026-25435?: CVE-2026-25435 is a high-severity vulnerability in Wpdevart Booking Calendar, Appointment System, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2026-03-25.
How severe is CVE-2026-25435?: High severity. CVSS v3 base score is 7.1 out of 10.