MediaWiki 1.40
MediaWiki 1.40: is it still supported?
MediaWiki 1.40 no longer receives official security patches since 2024-06-28.
Support dates from endoflife.date. The status is calculated at build time and refreshed with each deployment.
Check your wiki
Reads one public page. No hidden paths are scanned.
What to do if you use MediaWiki 1.40
- Make a complete backup of files and database before touching anything.
- Upgrade to a supported MediaWiki branch and update extensions and skins; older branches do not receive security patches.
- If you cannot upgrade right away, restrict access to the admin area and consider an authorized extended-support provider.
Frequently asked questions
How do I know if my wiki uses MediaWiki 1.40?
The checker reads the generator meta tag, /load.php ResourceLoader assets and mw.config values. MediaWiki often exposes its exact version.
Is it dangerous to keep using MediaWiki 1.40 after support ends?
Without support, new vulnerabilities are not officially fixed, so the risk grows over time. It does not mean the site is compromised today.
How do I update MediaWiki?
MediaWiki upgrades require updating the core files, running maintenance/update.php and checking extension compatibility.