WordPress My Calendar <= 3.1.9 - Cross-Site Scripting

WordPress plugin My Calendar = 3.1.10 or apply the vendor-provided patch to fix the XSS vulnerability. reference: - https://wpscan.com/vulnerability/9267 - https://wordpress.org/plugins/my-calendar/developers - https://nvd.nist.gov/vuln/detail/CVE-2019-15713 -...

The Events Calendar < 6.4.0.1 - Cross-site Scripting

The Events Calendar WordPress plugin 6.4.0.1 contains a stored XSS caused by improper sanitization of user-submitted content when rendering views via AJAX, letting attackers execute scripts in the context of the affected site. Exploitation requires user interaction. id: CVE-2024-4180 info: name:...

CVE-2026-86348 MS Calendar plugin: unrecovered handler panics from malformed post-action requests could crash the plugin process

Mattermost versions =11.9 11.0.9 11.4.8 11.7.7 10.22.11.0 fail to recover from handler panics, which allows an authenticated user to crash the plugin via a post-action request with an unexpected field type.. Mattermost Advisory ID: MMSA-2026-00701...

EUVD-2026-77379

Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.7, 10.11.x = 10.11.22 fail to validate null entries in Microsoft Graph webhook notification payloads, which allows an unauthenticated attacker to crash the Microsoft Calendar plugin process and deny calendar integration service t...

CVE-2026-10556: Improper Check for Unusual or Exceptional Conditions

Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.7, 10.11.x = 10.11.22 fail to validate null entries in Microsoft Graph webhook notification payloads, which allows an unauthenticated attacker to crash the Microsoft Calendar plugin process and deny calendar integration service t...

PT-2026-91140

Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.7, 10.11.x = 10.11.22 fail to validate null entries in Microsoft Graph webhook notification payloads, which allows an unauthenticated attacker to crash the Microsoft Calendar plugin process and deny calendar integration service t...

CVE-2026-76586: Improper Access Control

The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin before 1.6.3 does not verify the amount actually paid against the server-side price staged for a booking when confirming an online payment, allowing unauthenticated users to have a paid appointment approved for a...

CVE-2026-14211

The Booking for Appointments and Events Calendar WordPress plugin before 9.7 does not verify that an authenticated employee provider is related to the customer whose record is being accessed, allowing any employee with an Employee Panel login to read and modify the stored personal data of any...

WordPress VikAppointments Services Booking Calendar plugin <= 1.2.19 - Unauthenticated SQL Injection vulnerability

Unauthenticated SQL Injection vulnerability discovered by nthng in WordPress Plugin VikAppointments Services Booking Calendar versions = 1.2.19...

CVE-2026-59558

The CVE-2026-59558 entry documents an unauthenticated Cross Site Scripting (XSS) vulnerability in the WordPress Booking Calendar plugin, affected versions &lt;= 11.4.2. The issue concerns the Booking Calendar component/functionality and is characterized by unauthenticated XSS, allowing an attacke...

CVE-2026-14827

The Calendar WordPress plugin before 1.3.18 does not properly escape a user-supplied event field before outputting it inside an HTML attribute on a public-facing page, allowing users with the Contributor role to inject arbitrary JavaScript that executes in the browser of anyone viewing the calend...

WordPress Calendar plugin < 1.3.18 - Contributor+ Stored XSS vulnerability

Contributor+ Stored XSS vulnerability discovered by Marcus Cornes in WordPress Plugin Calendar versions 1.3.18...

CVE-2026-14827 Calendar < 1.3.18 - Contributor+ Stored XSS via event_link Parameter

The Calendar WordPress plugin before 1.3.18 does not properly escape a user-supplied event field before outputting it inside an HTML attribute on a public-facing page, allowing users with the Contributor role to inject arbitrary JavaScript that executes in the browser of anyone viewing the calend...

EUVD-2026-49084

The Calendar WordPress plugin before 1.3.18 does not properly escape a user-supplied event field before outputting it inside an HTML attribute on a public-facing page, allowing users with the Contributor role to inject arbitrary JavaScript that executes in the browser of anyone viewing the calend...

CVE-2026-14827

The Calendar WordPress plugin (versions before 1.3.18 ) is vulnerable to a Stored Cross-Site Scripting (XSS) flaw. The application fails to properly escape a user-supplied event field before rendering it within an HTML attribute on a public-facing page. This allows users with the Contributor role...

CVE-2026-14827

The Calendar WordPress plugin before 1.3.18 does not properly escape a user-supplied event field before outputting it inside an HTML attribute on a public-facing page, allowing users with the Contributor role to inject arbitrary JavaScript that executes in the browser of anyone viewing the calend...

CVE-2026-14827 Calendar < 1.3.18 - Contributor+ Stored XSS via event_link Parameter

The Calendar WordPress plugin before 1.3.18 does not properly escape a user-supplied event field before outputting it inside an HTML attribute on a public-facing page, allowing users with the Contributor role to inject arbitrary JavaScript that executes in the browser of anyone viewing the calend...

EUVD-2026-49071

The Events Calendar WordPress plugin before 6.16.5.1 does not perform an authorization check on one of its Event Aggregator import REST API routes and skips an integrity check for a particular status value, allowing unauthenticated attackers to mark existing import records as failed and to store...

CVE-2026-13390 The Events Calendar < 6.16.5.1 - Unauthenticated Event Aggregator Import Status Manipulation

The Events Calendar WordPress plugin before 6.16.5.1 does not perform an authorization check on one of its Event Aggregator import REST API routes and skips an integrity check for a particular status value, allowing unauthenticated attackers to mark existing import records as failed and to store...

PT-2026-64851

The Calendar WordPress plugin before 1.3.18 does not properly escape a user-supplied event field before outputting it inside an HTML attribute on a public-facing page, allowing users with the Contributor role to inject arbitrary JavaScript that executes in the browser of anyone viewing the calend...