Xposer by Michiel Roos

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Xposer version history - 6 versions

Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 4.0.2
Released May 29, 2025 - 754.21 KB
Works with firefox 58.0 and later
Uses the Xposer.io API to show the product, the exact version and a full product vulnerability report for a given website.

Have you ever wondered what version of Wordpress a site is running? Now there is an easy way to find out. The Xposer extension makes it convenient to call out to the xposer.io API from the website you are currently viewing. Just click the extension icon and click 'Expose'. The product and exact version of the website you are viewing will be revealed to you.

As a developer you can use this information to offer the owner of the site an upgrade of the detected product.

As a site owner you can check if you are running the most recent version of the product.

The version is not gleaned from the meta tags of the website, but by checking of key characteristics of each known product.
- Wordpress
- Drupal
- Joomla
- TYPO3
- Concrete 5
More products and capabilities will be added in the near future.
Source code released under All Rights Reserved
You'll need Firefox to use this extension
Download Firefox and get the extension
Download file

Latest version