Webnus vulnerabilities

Products

• Modern Events Calendar Lite 20
• Modern Events Calendar 4
• Modern Events Calendar Lite (WordPress plugin) 1

Latest Webnus CVEs

Newest publication first

1. CVE-2026-105067 WordPress Modern Events Calendar Lite plugin < 7.37.0 - SQL Injection vulnerability

   Published 2026-10-14

   High·CVSS 8.5 EPSS 0.27%

   Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Webnus Modern Events Calendar Lite modern-events-calendar-lite allows Blind SQL Injection.This issue affects Modern Events Calendar Lite: from n/a before 7.37.0.

2. CVE-2026-73339 WordPress Modern Events Calendar plugin < 7.35.0 - SQL Injection vulnerability

   Published 2026-08-18

   Critical·CVSS 9.3 EPSS 0.40%

   Unauthenticated SQL Injection in Modern Events Calendar < 7.35.0 versions.

3. CVE-2026-32583 WordPress Modern Events Calendar plugin <= 7.29.0 - Broken Access Control vulnerability

   Published 2026-03-16

   Medium·CVSS 5.3 EPSS 0.76%

   Missing Authorization vulnerability in Webnus Inc. Modern Events Calendar allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Modern Events Calendar: from n/a through 7.29.0.

4. CVE-2021-4458 Modern Events Calendar Lite <= 6.3.0 - Unauthenticated SQL Injection

   Published 2025-07-12

   Critical·CVSS 9.8 EPSS 0.40%

   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 suffici...

5. CVE-2025-5733 Modern Events Calendar <= 7.21.9 - Information Exposure

   Published 2025-06-06

   Medium·CVSS 5.3 EPSS 0.36%

   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 attacke...

6. CVE-2024-6522 Modern Events Calendar <= 7.12.1 - Authenticated (Subscriber+) Server Side Request Forgery

   Published 2024-08-07

   Critical·CVSS 9.6 EPSS 0.40%

   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...

7. CVE-2024-5441 Modern Events Calendar <= 7.11.0 - Authenticated (Subscriber+) Arbitrary File Upload

   Published 2024-07-09

   High·CVSS 8.8 EPSS 1.1%

   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...

8. CVE-2023-4021 Modern Events Calendar lite < 7.1.0 - Authenticated (Admin+) Stored Cross-Site Scripting

   Published 2023-10-20

   Medium·CVSS 4.8 EPSS 0.38%

   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 at...

9. CVE-2023-1400 Modern Events Calendar lite < 6.5.2 - Admin+ Stored XSS

   Published 2023-03-27

   Medium·CVSS 4.8 EPSS 0.50%

   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...

10. CVE-2022-30533 Modern Events Calendar Lite <= 6.2.9 - Authenticated (Contributor+) Cross-Site Scripting

    Published 2022-06-16

    Medium·CVSS 5.4 EPSS 0.57%

    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.

11. CVE-2022-27848 WordPress Modern Events Calendar Lite plugin <= 6.5.1 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability

    Published 2022-04-14

    Medium·CVSS 4.8 EPSS 0.57%

    Authenticated (admin+ user) Stored Cross-Site Scripting (XSS) in Modern Events Calendar Lite (WordPress plugin) <= 6.5.1

12. CVE-2022-0364 Modern Events Calendar Lite < 6.4.0 - Contributor+ Stored Cross Site Scripting

    Published 2022-03-21

    Medium·CVSS 5.4 EPSS 69.6%

    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

13. CVE-2021-25046 Modern Events Calendar Lite < 6.2.0 - Subscriber+ Category Add Leading to Stored XSS

    Published 2022-01-17

    Medium·CVSS 5.4 EPSS 0.63%

    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.

14. CVE-2021-24946 Modern Events Calendar < 6.1.5 - Unauthenticated Blind SQL Injection

    Published 2021-12-13

    Critical·CVSS 9.8 EPSS 72.8% Public exploit

    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

15. CVE-2021-24925 Modern Events Calendar Lite < 6.1.5 - Reflected Cross-Site Scripting

    Published 2021-12-13

    Medium·CVSS 6.1 EPSS 0.82%

    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 R...

16. CVE-2021-24716 Modern Events Calendar Lite < 5.22.3 - Authenticated Stored Cross Site Scripting

    Published 2021-11-01

    Medium·CVSS 5.4 EPSS 0.65%

    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.

17. CVE-2021-24687 Modern Events Calendar Lite < 5.22.2 - Admin+ Stored Cross-Site Scripting

    Published 2021-10-04

    Medium·CVSS 4.8 EPSS 0.62%

    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.

18. CVE-2021-24149 Modern Events Calendar Lite < 5.16.6 - Authenticated SQL Injection

    Published 2021-03-18

    High·CVSS 8.8 EPSS 1.5%

    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.

19. CVE-2021-24147 Modern Events Calendar Lite < 5.16.5 - Authenticated Stored Cross-Site Scripting (XSS)

    Published 2021-03-18

    Medium·CVSS 5.4 EPSS 0.75%

    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 Cros...

20. CVE-2021-24146 Modern Events Calendar Lite < 5.16.5 - Unauthenticated Events Export

    Published 2021-03-18

    High·CVSS 7.5 EPSS 31.0% Public exploit

    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.

21. CVE-2021-24145 Modern Events Calendar Lite < 5.16.5 - Authenticated Arbitrary File Upload leading to RCE

    Published 2021-03-18

    High·CVSS 7.2 EPSS 88.0% Framework module Public exploit

    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.

22. CVE-2020-9459 Modern Events Calendar Lite <= 5.1.6 - Missing Authorization to Stored Cross-Site Scripting and Settings Update

    Published 2020-02-28

    Medium·CVSS 5.4 EPSS 1.0%

    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_sav...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.