CVE-2026-9721

CVE-2026-9721 affects the Book a Room Event Calendar plugin for WordPress (versions up to 1.9). The vulnerability is a Cross-Site Request Forgery due to missing nonce validation on the settings_form()/update_settings() flow. The plugin’s settings page accepts POST actions and persists configurati...

CVE-2026-54006

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, 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 calendar...

CVE-2026-54006

Open WebUI prior to version 0.9.6 is vulnerable to an IDOR in the calendar events update endpoint. The vulnerability arises because POST /api/v1/calendars/events/{event_id}/update validates write access to the source calendar but does not validate the destination calendar_id in the request body, ...

CVE-2026-54006 Open WebUI: Calendar event re-parenting allows writing events into another user's calendar

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, 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 calendar...

WordPress Book a Room Event Calendar plugin <= 1.9 - Cross-Site Request Forgery to Settings Update vulnerability

Cross-Site Request Forgery to Settings Update vulnerability discovered by swat in WordPress Plugin Book a Room Event Calendar versions = 1.9...

WordPress Booking Calendar <3.2.2 - Arbitrary File Upload

WordPress Booking Calendar plugin before 3.2.2 is susceptible to arbitrary file upload possibly leading to remote code execution. The plugin does not validate uploaded files, which can allow an attacker to upload arbitrary files, such as PHP, and potentially obtain sensitive information, modify...

Webnus Inc. Modern Events Calendar - Broken Access Control

Webnus Inc. Modern Events Calendar = 7.29.0 contains a broken access control vulnerability caused by incorrectly configured access control security levels, letting attackers bypass authorization, exploit requires no special privileges. id: CVE-2026-32583 info: name: Webnus Inc. Modern Events...

My Calendar WordPress Plugin - Information Disclosure

My Calendar WordPress plugin = 3.7.6 contains an injection vulnerability caused by unvalidated user input passed to parsestr in mcajaxmcjsaction endpoint, letting unauthenticated attackers access or crash sites via switchtoblog, exploit requires WordPress Multisite or Single Site setup. id:...

WordPress Events Calendar <1.4.5 - Cross-Site Scripting

WordPress Events Calendar plugin before 1.4.5 contains multiple cross-site scripting vulnerabilities. The plugin does not sanitize and escape a parameter before outputting it back in the page. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the...

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 -...

WordPress Spider Calendar <=1.4.9 - SQL Injection

WordPress Spider Calendar plugin through 1.4.9 is susceptible to SQL injection. An attacker can execute arbitrary SQL commands via the catid parameter in a spiderbigcalendarmonth action to wp-admin/admin-ajax.php, thus making it possible to obtain sensitive information, modify data, and/or execut...

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:...

WordPress Plugin MF Gig Calendar 0.9.2 - Cross-Site Scripting

A cross-site scripting vulnerability in the MF Gig Calendar plugin 0.9.2 for WordPress allows remote attackers to inject arbitrary web script or HTML via the query string to the calendar page. id: CVE-2012-4242 info: name: WordPress Plugin MF Gig Calendar 0.9.2 - Cross-Site Scripting author:...

WordPress Events Calendar 6.8.2.1 - Information Disclosure

The Events Calendar WordPress plugin 6.8.2.1 contains missing access checks in the REST API, letting unauthenticated users access information about password protected events, exploit requires no authentication. id: CVE-2024-5333 info: name: WordPress Events Calendar 6.8.2.1 - Information Disclosu...

Zimbra Collaboration - Cross-Site Scripting (XSS)

An issue was discovered in Zimbra Collaboration ZCS 9.0 and 10.0. A Cross-Site Scripting XSS vulnerability exists in the CalendarInvite feature of the Zimbra webmail classic user interface, because of improper input validation in the handling of the calendar header. An attacker can exploit this v...

WordPress VR Calendar <=2.3.2 - Remote Code Execution

WordPress VR Calendar plugin through 2.3.2 is susceptible to remote code execution. The plugin allows any user to execute arbitrary PHP functions on the site. An attacker can execute malware, obtain sensitive information, modify data, and/or gain full control over a compromised system without...

Registrations for The Events Calendar < 2.7.5 - Authenticated Reflected Cross-Site Scripting

The Registrations for the Events Calendar WordPress plugin before 2.7.5 does not escape the v parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting id: CVE-2021-24876 info: name: Registrations for The Events Calendar 2.7.5 - Authenticated Reflected...

WordPress Advanced Booking Calendar <1.7.1 - Cross-Site Scripting

WordPress Advanced Booking Calendar plugin before 1.7.1 contains a cross-site scripting vulnerability. It does not sanitize and escape the room parameter before outputting it back in an admin page. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of th...

WordPress Spider Calendar <=1.5.65 - Cross-Site Scripting

WorsPress Spider Calendar plugin through 1.5.65 is susceptible to cross-site scripting. The plugin does not sanitize and escape the callback parameter before outputting it back in the page via the window AJAX action, available to both unauthenticated and authenticated users. An attacker can injec...

WordPress My Calendar <3.4.22 - SQL Injection

WordPress My Calendar plugin versions before 3.4.22 are vulnerable to an unauthenticated SQL injection within the 'from' and 'to' parameters of the '/my-calendar/v1/events' REST route. id: CVE-2023-6360 info: name: WordPress My Calendar 3.4.22 - SQL Injection author: xxcdd severity: critical...