CLP Varnish Cache wordpress plugin admin bar Purge Entire Cache issue #8

Closed
opened 2026-04-05 20:25:16 +02:00 by MrUnknownDE · 0 comments
Owner

Originally created by @wheeleran on 3/1/2026

CloudPanel version(s) affected

2.5.3

Description

On all wordpress sites and all cloudpanel servers, the admin bar purge > entire cache button returns a wordpress 'There has been a critical error on this website' page. The 'Purge entire cache' button in the CLP Varnish Cache settings page works fine, but not the admin bar. Issue has been present for the last few weeks. clicking Back successfully return to the the previous page before the wordpress error page.

How to reproduce

navigate to the admin bar, hover on the CLP Varnish Cache entry and in the dropdown nagivate to and click Purge > Entire Cache.

Possible Solution

_wpnonce validation error?

Additional Context

Three different Hetzner servers proxied through Cloudflare, all wordpress sites, some woo, some not, all sites with this issue.

*Originally created by @wheeleran on 3/1/2026* ### CloudPanel version(s) affected 2.5.3 ### Description On all wordpress sites and all cloudpanel servers, the admin bar purge > entire cache button returns a wordpress 'There has been a critical error on this website' page. The 'Purge entire cache' button in the CLP Varnish Cache settings page works fine, but not the admin bar. Issue has been present for the last few weeks. clicking Back successfully return to the the previous page before the wordpress error page. ### How to reproduce navigate to the admin bar, hover on the CLP Varnish Cache entry and in the dropdown nagivate to and click Purge > Entire Cache. ### Possible Solution _wpnonce validation error? ### Additional Context Three different Hetzner servers proxied through Cloudflare, all wordpress sites, some woo, some not, all sites with this issue.
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