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 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 -...

My Calendar < 3.7.9 - Unauthenticated SQL Injection

The My Calendar – Accessible Event Manager plugin for WordPress is vulnerable to time-based blind SQL Injection via the 'mcauth' parameter in all versions up to, and including, 3.7.8 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL...

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...

CVE-2026-77187

The My Calendar – Accessible Event Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'before' and 'after' Shortcode Attributes in all versions up to, and including, 3.8.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticat...

CVE-2026-77186

The My Calendar – Accessible Event Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'fallback' Shortcode Attribute in all versions up to, and including, 3.8.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attacker...

CVE-2026-77187

The My Calendar – Accessible Event Manager WordPress plugin is vulnerable to Stored Cross-Site Scripting (XSS) in all versions up to and including 3.8.3 . The root cause is insufficient input sanitization and output escaping of the before and after shortcode attributes , allowing authenticated at...

CVE-2026-77187 My Calendar <= 3.8.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'before' and 'after' Shortcode Attributes

The My Calendar – Accessible Event Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'before' and 'after' Shortcode Attributes in all versions up to, and including, 3.8.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticat...

CVE-2026-77186 My Calendar <= 3.8.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'fallback' Shortcode Attribute

The My Calendar – Accessible Event Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'fallback' Shortcode Attribute in all versions up to, and including, 3.8.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attacker...

CVE-2026-77186 My Calendar <= 3.8.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'fallback' Shortcode Attribute

The My Calendar – Accessible Event Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'fallback' Shortcode Attribute in all versions up to, and including, 3.8.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attacker...

CVE-2026-77187 My Calendar <= 3.8.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'before' and 'after' Shortcode Attributes

The My Calendar – Accessible Event Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'before' and 'after' Shortcode Attributes in all versions up to, and including, 3.8.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticat...

CVE-2026-77186 My Calendar <= 3.8.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'fallback' Shortcode Attribute

The My Calendar – Accessible Event Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'fallback' Shortcode Attribute in all versions up to, and including, 3.8.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attacker...

EUVD-2026-74603

The My Calendar – Accessible Event Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'fallback' Shortcode Attribute in all versions up to, and including, 3.8.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attacker...

CVE-2026-77186

The My Calendar – Accessible Event Manager WordPress plugin (versions ≤ 3.8.3 ) is vulnerable to Stored Cross-Site Scripting via the fallback shortcode attribute. Authenticated users with contributor-level access or higher can inject arbitrary scripts by submitting hex-encoded payloads (e.g. \x3c...

EUVD-2026-74604

The My Calendar – Accessible Event Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'before' and 'after' Shortcode Attributes in all versions up to, and including, 3.8.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticat...

PT-2026-88798

The My Calendar – Accessible Event Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'fallback' Shortcode Attribute in all versions up to, and including, 3.8.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attacker...

PT-2026-88799

The My Calendar – Accessible Event Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'before' and 'after' Shortcode Attributes in all versions up to, and including, 3.8.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticat...

CVE-2026-77187: Improper Neutralization of Input During Web Page Generation

The My Calendar – Accessible Event Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'before' and 'after' Shortcode Attributes in all versions up to, and including, 3.8.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticat...

CVE-2026-77186: Improper Neutralization of Input During Web Page Generation

The My Calendar – Accessible Event Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'fallback' Shortcode Attribute in all versions up to, and including, 3.8.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attacker...

WordPress My Calendar – Accessible Event Manager plugin <= 3.8.3 - Authenticated (Contributor+) Stored Cross-Site Scripting vulnerability

Authenticated Contributor+ Stored Cross-Site Scripting vulnerability discovered by Wordfence PRISM in WordPress Plugin My Calendar versions = 3.8.3...