Webnus Modern Events Calendar Lite vulnerabilities

CVE-2021-4458 [CRITICAL] CWE-89 CVE-2021-4458: The Modern Events Calendar Lite plugin for WordPress is vulnerable to SQL Injection via the 'id' par The Modern Events Calendar Lite plugin for WordPress is vulnerable to SQL Injection via the 'id' parameter of the 'wp_ajax_mec_load_single_page' AJAX action in all versions up to, and including, 6.3.0 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for un

CVE-2025-5733 [MEDIUM] CWE-201 CVE-2025-5733: The Modern Events Calendar Lite plugin for WordPress is vulnerable to Full Path Disclosure in all ve The Modern Events Calendar Lite plugin for WordPress is vulnerable to Full Path Disclosure in all versions up to, and including, 7.21.9. This is due improper or insufficient validation of the id property when exporting calendars. This makes it possible for unauthenticated attackers to retrieve the full path of the web application, which can be used to

CVE-2024-6522 [CRITICAL] CWE-918 CVE-2024-6522: The Modern Events Calendar plugin for WordPress is vulnerable to Server-Side Request Forgery in all The Modern Events Calendar plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 7.12.1 via the 'mec_fes_form' AJAX function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to make web requests to arbitrary locations originating from the web application and

CVE-2024-5441 [HIGH] CWE-434 CVE-2024-5441: The Modern Events Calendar plugin for WordPress is vulnerable to arbitrary file uploads due to missi The Modern Events Calendar plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the set_featured_image function in all versions up to, and including, 7.11.0. This makes it possible for authenticated attackers, with subscriber access and above, to upload arbitrary files on the affected site's server which ma

CVE-2023-4021 [MEDIUM] CWE-79 CVE-2023-4021: The Modern Events Calendar lite plugin for WordPress is vulnerable to Stored Cross-Site Scripting vi The Modern Events Calendar lite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Google API key and Calendar ID in versions up to, but not including, 7.1.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitra

CVE-2023-1400 [MEDIUM] CWE-79 CVE-2023-1400: The Modern Events Calendar Lite WordPress plugin before 6.5.2 does not sanitise and escape some of i The Modern Events Calendar Lite WordPress plugin before 6.5.2 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

CVE-2022-30533 [MEDIUM] CWE-79 CVE-2022-30533: Cross-site scripting vulnerability in Modern Events Calendar Lite versions prior to 6.3.0 allows rem Cross-site scripting vulnerability in Modern Events Calendar Lite versions prior to 6.3.0 allows remote an authenticated attacker to inject an arbitrary script via unspecified vectors.

CVE-2022-27848 [MEDIUM] CWE-79 CVE-2022-27848: Authenticated (admin+ user) Stored Cross-Site Scripting (XSS) in Modern Events Calendar Lite (WordPr Authenticated (admin+ user) Stored Cross-Site Scripting (XSS) in Modern Events Calendar Lite (WordPress plugin) <= 6.5.1

CVE-2022-0364 [MEDIUM] CWE-79 CVE-2022-0364: The Modern Events Calendar Lite WordPress plugin before 6.4.0 does not sanitize and escape some of t The Modern Events Calendar Lite WordPress plugin before 6.4.0 does not sanitize and escape some of the Hourly Schedule parameters which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks

CVE-2021-25046 [MEDIUM] CWE-79 CVE-2021-25046: The Modern Events Calendar Lite WordPress plugin before 6.2.0 alloed any logged-in user, even a subs The Modern Events Calendar Lite WordPress plugin before 6.2.0 alloed any logged-in user, even a subscriber user, may add a category whose parameters are incorrectly escaped in the admin panel, leading to stored XSS.

CVE-2021-24946 [CRITICAL] CWE-89 CVE-2021-24946: The Modern Events Calendar Lite WordPress plugin before 6.1.5 does not sanitise and escape the time The Modern Events Calendar Lite WordPress plugin before 6.1.5 does not sanitise and escape the time parameter before using it in a SQL statement in the mec_load_single_page AJAX action, available to unauthenticated users, leading to an unauthenticated SQL injection issue

CVE-2021-24925 [MEDIUM] CWE-79 CVE-2021-24925: The Modern Events Calendar Lite WordPress plugin before 6.1.5 does not sanitise and escape the curre The Modern Events Calendar Lite WordPress plugin before 6.1.5 does not sanitise and escape the current_month_divider parameter of its mec_list_load_more AJAX call (available to both unauthenticated and authenticated users) before outputting it back in the response, leading to a Reflected Cross-Site Scripting issue

CVE-2021-24716 [MEDIUM] CWE-79 CVE-2021-24716: The Modern Events Calendar Lite WordPress plugin before 5.22.3 does not properly sanitize or escape The Modern Events Calendar Lite WordPress plugin before 5.22.3 does not properly sanitize or escape values set by users with access to adjust settings withing wp-admin.

CVE-2021-24687 [MEDIUM] CWE-79 CVE-2021-24687: The Modern Events Calendar Lite WordPress plugin before 5.22.2 does not escape some of its settings The Modern Events Calendar Lite WordPress plugin before 5.22.2 does not escape some of its settings before outputting them in attributes, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

CVE-2021-24149 [HIGH] CWE-89 CVE-2021-24149: Unvalidated input in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.6, did n Unvalidated input in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.6, did not sanitise the mec[post_id] POST parameter in the mec_fes_form AJAX action when logged in as an author+, leading to an authenticated SQL Injection issue.

CVE-2021-24145 [HIGH] CWE-434 CVE-2021-24145: Arbitrary file upload in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, d Arbitrary file upload in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not properly check the imported file, allowing PHP ones to be uploaded by administrator by using the 'text/csv' content-type in the request.

CVE-2021-24146 [HIGH] CWE-284 CVE-2021-24146: Lack of authorisation checks in the Modern Events Calendar Lite WordPress plugin, versions before 5. Lack of authorisation checks in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not properly restrict access to the export files, allowing unauthenticated users to exports all events data in CSV or XML format for example.

CVE-2021-24147 [MEDIUM] CWE-79 CVE-2021-24147: Unvalidated input and lack of output encoding in the Modern Events Calendar Lite WordPress plugin, v Unvalidated input and lack of output encoding in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not sanitise the mic_comment field (Notes on time) when adding/editing an event, allowing users with privilege as low as author to add events with a Cross-Site Scripting payload in them, which will be triggered in the fronten

CVE-2020-9459 [MEDIUM] CWE-79 CVE-2020-9459: Multiple Stored Cross-site scripting (XSS) vulnerabilities in the Webnus Modern Events Calendar Lite Multiple Stored Cross-site scripting (XSS) vulnerabilities in the Webnus Modern Events Calendar Lite plugin through 5.1.6 for WordPress allows remote authenticated users (with minimal permissions) to inject arbitrary JavaScript, HTML, or CSS via Ajax actions. This affects mec_save_notifications and import_settings.