Vulnerability database
Every flaw the U.S. government’s cybersecurity agency (CISA) has confirmed attackers are using, plus the new WordPress plugin and theme bugs published each day, sorted by what they mean for a small business. We refresh it twice a day. If you see something your website or office runs, tell us.
22 results
Oct 21, 2026Modern Events Calendar Lite WordPress plugin before 7.37.0, Modern Event Calendar Pro: Do not sanitise and escape a parameter before using it in a SQL statementCVE-2026-102499 · WordPress plugins & themes · reported by WPScanHigh 7.7
The Modern Events Calendar Lite WordPress plugin before 7.37.0, Modern Event Calendar Pro WordPress plugin before 7.37.0 do not sanitise and escape a parameter before using it in a SQL statement, which allows authenticated users with Subscriber-level access and above to append additional SQL queries into already existing queries and extract sensitive data from the database.
- Product
- Modern Events Calendar Lite WordPress plugin before 7.37.0, Modern Event Calendar Pro
- Fixed in
- 7.37.0
- What to do
- Update Modern Events Calendar Lite WordPress plugin before 7.37.0, Modern Event Calendar Pro to 7.37.0 or newer.
Oct 18, 2026Modern Events Calendar Lite WordPress plugin before 7.37.0, Modern Event Calendar Pro: Does not sanitise and escape a parameter before using it in a SQL statementCVE-2026-96534 · WordPress plugins & themes · reported by WPScanHigh 7.7
The Modern Events Calendar Lite WordPress plugin before 7.37.0, Modern Event Calendar Pro WordPress plugin before 7.37.0 does not sanitise and escape a parameter before using it in a SQL statement, allowing authenticated users with minimal privileges (Subscriber and above) to perform SQL injection attacks.
- Product
- Modern Events Calendar Lite WordPress plugin before 7.37.0, Modern Event Calendar Pro
- Fixed in
- 7.37.0
- What to do
- Update Modern Events Calendar Lite WordPress plugin before 7.37.0, Modern Event Calendar Pro to 7.37.0 or newer.
Oct 18, 2026Modern Events Calendar Lite: Does not verify that a user is authorized to edit the target post before updating itCVE-2026-110070 · WordPress plugins & themes · reported by WPScanMedium 6.5
The Modern Events Calendar Lite WordPress plugin before 7.36.4 does not verify that a user is authorized to edit the target post before updating it, allowing authenticated users with the Subscriber role to modify the title, content, and excerpt of arbitrary posts, pages, and custom post types created by other users.
- Product
- Modern Events Calendar Lite
- Fixed in
- 7.36.4
- What to do
- Update Modern Events Calendar Lite to 7.36.4 or newer.
Oct 18, 2026Modern Events Calendar Lite: Does not perform capabilityCVE-2026-110069 · WordPress plugins & themes · reported by WPScanMedium 4.3
The Modern Events Calendar Lite WordPress plugin before 7.37.0 does not perform capability, nonce, or ownership checks before returning event booking and attendee data, allowing any authenticated user, including Subscribers, to disclose the names, email addresses, transaction IDs and payment amounts of every booking on the site.
- Product
- Modern Events Calendar Lite
- Fixed in
- 7.37.0
- What to do
- Update Modern Events Calendar Lite to 7.37.0 or newer.
Oct 14, 2026Modern Events Calendar Lite: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')CVE-2026-105067 · WordPress plugins & themes · reported by PatchstackHigh 8.5
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.
- Product
- Modern Events Calendar Lite
- Fixed in
- 7.37.0
- What to do
- Update Modern Events Calendar Lite to 7.37.0 or newer.
Jul 20, 2026Modern Event Calendar Pro WordPress plugin before 7.34.0, Modern Events Calendar Lite: Do not sanitise and escape a request parameter before using it in a SQL statementCVE-2026-11349 · WordPress plugins & themes · reported by WPScanHigh 8.6
The Modern Event Calendar Pro WordPress plugin before 7.34.0, Modern Events Calendar Lite WordPress plugin before 7.34.0 do not sanitise and escape a request parameter before using it in a SQL statement, through an AJAX action available to unauthenticated users, leading to an unauthenticated SQL injection vulnerability that allows attackers to extract sensitive data from the database.
- Product
- Modern Event Calendar Pro WordPress plugin before 7.34.0, Modern Events Calendar Lite
- Fixed in
- 7.34.0
- What to do
- Update Modern Event Calendar Pro WordPress plugin before 7.34.0, Modern Events Calendar Lite to 7.34.0 or newer.
Jul 12, 2025Modern Events Calendar Lite: SQL InjectionCVE-2021-4458 · WordPress plugins & themes · reported by WordfenceMedium 5.9
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 unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. This is only exploitable on sites with addslashes disabled.
- Product
- Modern Events Calendar Lite
- Affected
- up to 6.3.0
- What to do
- Affects up to 6.3.0. Update Modern Events Calendar Lite to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.
Full record and what to do →NVD recordplugins.trac.wordpress.orgwordfence.com
Jun 6, 2025Modern Events Calendar Lite: Full Path DisclosureCVE-2025-5733 · WordPress plugins & themes · reported by WordfenceMedium 5.3
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 aid other attacks. The information displayed is not useful on its own, and requires another vulnerability to be present for damage to an affected website.
- Product
- Modern Events Calendar Lite
- Affected
- up to 7.21.9
- What to do
- Affects up to 7.21.9. Update Modern Events Calendar Lite to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.
Full record and what to do →NVD recordwebnus.networdpress.org
Oct 20, 2023Modern Events Calendar lite: Stored Cross-Site ScriptingCVE-2023-4021 · WordPress plugins & themes · reported by WordfenceMedium 4.4
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 arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
- Product
- Modern Events Calendar lite
- Fixed in
- 7.1.0
- What to do
- Update Modern Events Calendar lite to 7.1.0 or newer.
Full record and what to do →NVD recordwebnus.networdfence.com
Mar 27, 2023Modern Events Calendar Lite: Does not sanitise and escape some of its settingsCVE-2023-1400 · WordPress plugins & themes · reported by WPScanMedium 4.8
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).
- Product
- Modern Events Calendar Lite
- Fixed in
- 6.5.2
- What to do
- Update Modern Events Calendar Lite to 6.5.2 or newer.
Apr 14, 2022Authenticated (admin+ user) Stored Cross-Site Scripting (XSS) in Modern Events Calendar Lite (WordPress plugin) <= 6.5.1CVE-2022-27848 · WordPress plugins & themes · reported by PatchstackLow 3.4
Authenticated (admin+ user) Stored Cross-Site Scripting (XSS) in Modern Events Calendar Lite (WordPress plugin) <= 6.5.1
- Affected
- up to 6.5.1
- What to do
- Affects up to 6.5.1. Update the plugin to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.
Full record and what to do →NVD recordpatchstack.comwordpress.org
Mar 21, 2022Modern Events Calendar Lite: Does not sanitize and escape some of the Hourly Schedule parametersCVE-2022-0364 · WordPress plugins & themes · reported by WPScanMedium 5.4
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
- Product
- Modern Events Calendar Lite
- Fixed in
- 6.4.0
- What to do
- Update Modern Events Calendar Lite to 6.4.0 or newer.
Jan 17, 2022Modern Events Calendar Lite: Alloed any logged-in userCVE-2021-25046 · WordPress plugins & themes · reported by WPScanMedium 5.4
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.
- Product
- Modern Events Calendar Lite
- Fixed in
- 6.2.0
- What to do
- Update Modern Events Calendar Lite to 6.2.0 or newer.
Dec 13, 2021Modern Events Calendar Lite: Does not sanitise and escape the time parameter before using it in a SQL statement in the mec_load_single_page AJAX actionCVE-2021-24946 · WordPress plugins & themes · reported by WPScanCritical 9.8
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
- Product
- Modern Events Calendar Lite
- Fixed in
- 6.1.5
- What to do
- Update Modern Events Calendar Lite to 6.1.5 or newer.
Full record and what to do →NVD recordpacketstormsecurity.comgithub.com
Dec 13, 2021Modern Events Calendar Lite: 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 tCVE-2021-24925 · WordPress plugins & themes · reported by WPScanMedium 6.1
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
- Product
- Modern Events Calendar Lite
- Fixed in
- 6.1.5
- What to do
- Update Modern Events Calendar Lite to 6.1.5 or newer.
Nov 1, 2021Modern Events Calendar Lite: Does not properly sanitize or escape values set by users with access to adjust settings withing wp-adminCVE-2021-24716 · WordPress plugins & themes · reported by WPScanMedium 5.4
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.
- Product
- Modern Events Calendar Lite
- Fixed in
- 5.22.3
- What to do
- Update Modern Events Calendar Lite to 5.22.3 or newer.
Oct 4, 2021Modern Events Calendar Lite: Does not escape some of its settings before outputting them in attributesCVE-2021-24687 · WordPress plugins & themes · reported by WPScanMedium 4.8
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.
- Product
- Modern Events Calendar Lite
- Fixed in
- 5.22.2
- What to do
- Update Modern Events Calendar Lite to 5.22.2 or newer.
Mar 18, 2021Unvalidated 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_fCVE-2021-24149 · WordPress plugins & themes · reported by WPScanHigh 8.8
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.
- Product
- Modern Events Calendar Lite
- Fixed in
- 5.16.6
- What to do
- Update Modern Events Calendar Lite to 5.16.6 or newer.
Mar 18, 2021Unvalidated 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 fielCVE-2021-24147 · WordPress plugins & themes · reported by WPScanMedium 5.4
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 frontend when viewing the event.
- Product
- Modern Events Calendar Lite
- Fixed in
- 5.16.5
- What to do
- Update Modern Events Calendar Lite to 5.16.5 or newer.
Mar 18, 2021Lack 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, CVE-2021-24146 · WordPress plugins & themes · reported by WPScanHigh 7.5
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.
- Product
- Modern Events Calendar Lite
- Fixed in
- 5.16.5
- What to do
- Update Modern Events Calendar Lite to 5.16.5 or newer.
Full record and what to do →NVD recordpacketstormsecurity.comwpscan.com
Mar 18, 2021Arbitrary 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 tCVE-2021-24145 · WordPress plugins & themes · reported by WPScanHigh 7.2
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.
- Product
- Modern Events Calendar Lite
- Fixed in
- 5.16.5
- What to do
- Update Modern Events Calendar Lite to 5.16.5 or newer.
Full record and what to do →NVD recordpacketstormsecurity.compacketstormsecurity.com
Feb 28, 2020Multiple Stored Cross-site scripting (XSS) vulnerabilities in the Webnus Modern Events Calendar Lite plugin through 5.1.6 for WordPress allows remote authenticaCVE-2020-9459 · WordPress plugins & themes · reported by MITREMedium 5.4
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.
- Product
- Multiple Stored Cross-site scripting (XSS) vulnerabilities in the Webnus Modern Events Calendar Lite
- Affected
- up to 5.1.6
- What to do
- Affects up to 5.1.6. Update Multiple Stored Cross-site scripting (XSS) vulnerabilities in the Webnus Modern Events Calendar Lite to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.
Full record and what to do →NVD recordwpvulndb.comwordfence.com
Where this comes from: the exploited list is CISA’s Known Exploited Vulnerabilities catalog. Everything else is the whole National Vulnerability Database, where each record is published by the team that found the bug (Wordfence, Patchstack, WPScan, the vendors themselves and others); we show who. Exploit odds are FIRST’s EPSS, updated daily. Titles and categories are ours, so check the linked record before acting on a detail. For a write-up of the big ones, see our advisories. Every vendor, and every WordPress plugin and theme with a recorded flaw, also has its own page. All of it is free to reuse as JSON, CSV or RSS.
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