PT-2026-58069

Name of the Vulnerable Software and Affected Versions Easy!Appointments versions prior to 1.6.0 Description An issue exists where the Google::oauth function at application/controllers/Google.php:278 stores a URL-supplied provider id in the session. Subsequently, the oauth callback function saves...

PYSEC-2026-2722 Open WebUI IDOR: Calendar event re-parenting allows writing events into another user's calendar

Summary POST /api/v1/calendars/events/eventid/update validates that the caller has write access to the calendar the event currently belongs to, but does not validate the destination calendarid supplied in the request body. The model layer then persists the new calendarid unconditionally. A regula...

CVE-2026-59516

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in Room 34 Creative Services, LLC ICS Calendar ics-calendar allows Reflected XSS.This issue affects ICS Calendar: from n/a through = 12.1.1...

CVE-2026-57778

Missing Authorization vulnerability in wpdevart Booking calendar, Appointment Booking System booking-calendar allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Booking calendar, Appointment Booking System: from n/a through = 3.2.36...

CVE-2026-57778

Missing Authorization vulnerability in wpdevart Booking calendar, Appointment Booking System booking-calendar allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Booking calendar, Appointment Booking System: from n/a through = 3.2.36...

CVE-2026-59516 WordPress ICS Calendar plugin <= 12.1.1 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in Room 34 Creative Services, LLC ICS Calendar ics-calendar allows Reflected XSS.This issue affects ICS Calendar: from n/a through = 12.1.1...

CVE-2026-59516

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in Room 34 Creative Services, LLC ICS Calendar ics-calendar allows Reflected XSS.This issue affects ICS Calendar: from n/a through = 12.1.1...

CVE-2026-57778 WordPress Booking calendar, Appointment Booking System plugin <= 3.2.36 - Broken Access Control vulnerability

Missing Authorization vulnerability in wpdevart Booking calendar, Appointment Booking System booking-calendar allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Booking calendar, Appointment Booking System: from n/a through = 3.2.36...

CVE-2026-59516

This CVE concerns the WordPress ICS Calendar plugin (ics-calendar) with versions up to 12.1.1. The vulnerability is a Reflected Cross-Site Scripting (XSS) flaw caused by improper neutralization of input during web page generation. Affected component: ICS Calendar plugin’s input handling on the we...

CVE-2026-57778

CVE-2026-57778 affects the WordPress plugin Booking calendar, Appointment Booking System, specifically versions up to and including 3.2.36. The issue is described as Missing Authorization / Broken Access Control, arising from incorrectly configured access control security levels in the booking-ca...

BIT-NEXTCLOUD-2026-45281 Nextcloud: Cross-Account Calendar Takeover via Unauthorized Group-Member-Set Update

Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, with the knowledge of other users’ principal URL an attacker could possibly send a request to gain full access to their calendar. Therefore, the...

CVE-2026-3367

The CVE-2026-3367 entry concerns the WordPress plugin Lockme Cal­endars Integration (

CVE-2026-9838

The ICS Calendar plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'htmltagtitle' parameter in all versions up to, and including, 12.0.9 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary...

EUVD-2026-42852

The ICS Calendar plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'htmltagtitle' parameter in all versions up to, and including, 12.0.9 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary...

CVE-2026-9838

The ICS Calendar plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'htmltagtitle' parameter in all versions up to, and including, 12.0.9 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary...

CVE-2026-9838

The CVE-2026-9838 entry concerns the ICS Calendar plugin for WordPress. It describes a Reflected Cross-Site Scripting (XSS) vulnerability via the htmltagtitle parameter in all versions up to and including 12.0.9. The root cause is insufficient input sanitization and output escaping, with exploita...

WordPress ICS Calendar plugin <= 12.1.1 - Cross Site Scripting (XSS) vulnerability

Cross Site Scripting XSS vulnerability discovered by Nguyen Ba Khanh in WordPress Plugin ICS Calendar versions = 12.1.1...

CVE-2026-15289

The Booking calendar, Appointment Booking System plugin for WordPress is vulnerable to time-based SQL Injection via the ‘wpdevartid’ parameter in all versions up to, and including, 3.2.17 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existin...

CVE-2026-15289 Booking calendar, Appointment Booking System <= 3.2.17 - Unauthenticated Time-Based SQL Injection via 'wpdevart_id'

The Booking calendar, Appointment Booking System plugin for WordPress is vulnerable to time-based SQL Injection via the ‘wpdevartid’ parameter in all versions up to, and including, 3.2.17 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existin...

CVE-2026-15289

The Booking calendar, Appointment Booking System plugin for WordPress is vulnerable to time-based SQL Injection via the ‘wpdevartid’ parameter in all versions up to, and including, 3.2.17 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existin...