Plugin inspection:

Video Thumbnails

Potentially unsafe

Last revised:

Confidence: Medium
This plugin has been given a short, targeted code review.

Before using this plugin, you should very carefully consider its potential problems and should conduct a thorough assessment. Read more about this recommendation.


This recommendation applies to version 2.1 of this plugin, but the most recent version is 2.7.5. These findings may no longer be correct.

View the recommendation for version 2.7.5 of this plugin instead


This plugin contains numerous issues of concern. There was not enough time within the confines of an inspection to properly investigate them all.

Reason for the 'Potentially unsafe' result

The plugin contains or is likely to contain a vulnerability which could be exploited by an end user and which would compromise the site’s confidentiality, integrity or availability:

This plugin is likely to contain an arbitrary code vulnerability.

These only apply to admin operations:

  • Allows upload to third party servers of any file on the server
  • Allows files to be saved to arbitrary file locations using the cache functionality.
  • Allows enumeration of arbitrary file locations
  • Echos content without sanitising it.

Failure criteria

  • Lack of input sanitisation
  • Unsafe generation of PHP code
  • Unsafe file or network IO
  • Lack of proper output escaping

Read more about our failure criteria.