My Calendar <= 3.4.23 - Authenticated (Admin+) Stored Cross-Site Scripting via Events

4.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2024-1274
CVSS 4.4 (Medium)
Publicly Published February 11, 2024
Last Updated April 24, 2024
Researcher cyc707

Description

The My Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via events in all versions up to, and including, 3.4.23 due to insufficient input sanitization and output escaping on event dates. This makes it possible for authenticated attackers with, admin-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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Vulnerability Details for My Calendar – Accessible Event Manager

Software Type Plugin
Software Slug my-calendar (view on wordpress.org)
Patched? Yes
Remediation Update to version 3.4.24, or a newer patched version
Affected Version
  • <= 3.4.23
Patched Version
  • 3.4.24

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