PT-2026-27946 · WordPress · Wpdevart Booking Calendar

Published 2026-03-25 · Updated 2026-04-09 · CVE-2026-25435

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions wpdevart Booking calendar, Appointment Booking System versions n/a through 3.2.36

Description The software contains a flaw related to improper handling of user-supplied data during web page creation, which could allow for cross-site scripting (XSS). This allows for Stored XSS attacks.

Recommendations Update wpdevart Booking calendar, Appointment Booking System to a version later than 3.2.36.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-25435

Affected Products

Wpdevart Booking Calendar

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-25435 · Security Note
• https://twitter.com/infoflowcloud/status/2038251506688819631 · Twitter Post
• https://twitter.com/atomicedgeWAF/status/2042339279515378049 · Twitter Post
• https://patchstack.com/database/Wordpress/Plugin/booking-calendar/vulnerability/wordpress-booking-calendar-appointment-booking-system-plugin-3-2-35-cross-site-scripting-xss-vulnerability?_s_id=cve · Note
• https://twitter.com/CVEnew/status/2038250232757035475 · Twitter Post