My Calendar <= 2.3.29 - Path Traversal to Remote Code Execution

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVE Not available
CVSS Critical (9.8)
Publicly Published May 15, 2015
Last Updated January 22, 2024
Researcher Joost de Valk
Description

The My Calendar plugin for WordPress is vulnerable to Path Traversal in versions up to, and including, 2.3.29 via the 'edit_my_calendar_styles' function in the 'my-calendar-styles.php' file. This allows unauthenticated attackers to overwrite the contents of all files the vulnerable service has access to, including adding executable PHP to PHP files.

References

1 affected software package

Software Type Plugin
Software Slug my-calendar (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 2.3.29
Patched Version
  • 2.3.30
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