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...

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...

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...

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...

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 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...

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 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...

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...

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 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 Modern Events Calendar Lite <5.16.5 - Sensitive Information Disclosure

WordPress Modern Events Calendar Lite before 5.16.5 does not properly restrict access to the export files, allowing unauthenticated users to exports all events data in CSV or XML format. id: CVE-2021-24146 info: name: WordPress Modern Events Calendar Lite 5.16.5 - Sensitive Information Disclosure...

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...

WordPress Modern Events Calendar <6.1.5 - Blind SQL Injection

WordPress Modern Events Calendar plugin before 6.1.5 is susceptible to blind SQL injection. The plugin does not sanitize and escape the time parameter before using it in a SQL statement in the mecloadsinglepage AJAX action. An attacker can possibly obtain sensitive information, modify data, and/o...

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...

This Week in Spring - June 2nd, 2026

Hi, Spring fans, and welcome to another momentous installment of This Week in Spring! A lot to get into this week, but let's first take some time to address the meta: where are the May releases? If you read our May 11th post, you know they've been delayed. We wanted to speak a bit more about why ...

CVE-2026-45281

A flaw was found in Nextcloud Server. An authenticated user, with knowledge of another user's principal URL, could exploit improper authorization controls to gain full access to that user's calendar. This allows the attacker to view and modify the victim's calendar, leading to unauthorized...

CVE-2026-45286

Nextcloud is an open source content collaboration platform. From versions 5.5.13 to before 5.5.17, and 6.2.0 to before 6.2.3, an authenticated user can enumerate users on the same Nextcloud instance by using the Calendar app's endpoint for suggesting attendees. The sharing restrictions, applied t...

CVE-2026-45281

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...