Vulnerability · Published Mar 25, 2026 · Assigned by Patchstack
CVE-2026-25435WordPress Booking calendar, Appointment Booking System plugin <= 3.2.36 - Cross Site Scripting (XSS) vulnerability
High 7.1
In plain English
A high-severity cross-site scripting in Booking calendar, Appointment Booking System from wpdevart. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.2%top 92.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 Booking System: from n/a through <= 3.2.36.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| wpdevart | Booking calendar, Appointment Booking System | 0 – through 3.2.36 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L