Title: VIP MU plugins v20260922.1
Author: WordPress VIP Documentation
Published: September 22, 2026

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 1. [Changelog](https://docs.wpvip.com/changelog/)
 2. [VIP MU plugins [Staging]](https://docs.wpvip.com/changelog/vip-mu-plugins-staging/)
 3. VIP MU plugins v20260922.1

# VIP MU plugins v20260922.1

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 22 September 2026

20:25:37 GMT+0000

 [ VIP MU plugins [Staging] ](https://docs.wpvip.com/changelog/vip-mu-plugins-staging/)

 [ GitHub  ](https://github.com/Automattic/vip-go-mu-plugins/pull/7273)

 [ Permalink  ](https://docs.wpvip.com/changelog/vip-mu-plugins-staging/vip-mu-plugins-v20260922-1/)

View Pull Request: [https://github.com/Automattic/vip-go-mu-plugins/pull/7273](https://github.com/Automattic/vip-go-mu-plugins/pull/7273)

### Fixed

 * Enterprise Search: Prevent cross-site and persistent post-cache contamination
   from search results.