# MediaWiki privacy rating

Wiki software developed by the Wikimedia Foundation that runs Wikipedia. Self-hosted PHP application with page history, templates, a visual editor and a large extension ecosystem.

## Summary

MediaWiki scores 65 out of 100 (grade C) on the wikis and knowledge bases criteria. It meets 2 of 4 criteria: open source and no ads or data sales. It partly meets no trackers or telemetry. It does not meet independent audit. It is based in the United States: Five Eyes member; subject to the US CLOUD Act.

- Website: https://www.mediawiki.org
- Source code: https://github.com/wikimedia/mediawiki
- Jurisdiction: United States. Five Eyes member. Subject to the US CLOUD Act.
- Platforms: Web
- Home page trackers: none found
- Category: [Wikis and knowledge bases](https://privacyratings.com/wikis/)
- Grade: C (65/100)

## Criteria

| Criterion | Answer | Note | Evidence |
| --- | --- | --- | --- |
| Open source | Yes | GPL-2.0-or-later. | https://github.com/wikimedia/mediawiki/blob/master/COPYING |
| No trackers or telemetry | Partial | No third-party trackers. The web installer pre-selects an anonymous pingback that sends installation statistics to the Wikimedia Foundation, which can be turned off. | https://www.mediawiki.org/wiki/Manual:$wgPingback |
| No ads or data sales | Yes | Developed by the donation-funded Wikimedia Foundation. The privacy policy states personal information is not sold or rented. | https://foundation.wikimedia.org/wiki/Policy:Privacy_policy |
| Independent audit | No | No independent audit is published. |  |

Source: https://privacyratings.com/wikis/mediawiki/
Edit: https://github.com/privacyratings/privacyratings.com/edit/main/ratings/wikis/mediawiki.md