Bad gateway when logging out

[zynexiz]

The plugin works great, logging in and everything works without issue. But when I try logging out I get 502, bad gateway. I can't see anything in the Apache error logs related to this. Logging out a regular account worked before, but with OIDC it don't work. Using Keycloak as my IDP. Have tried both Front and back channel logout settings. But not sure if that will do anything, I can't see any configs for it in the plugin.

[figureone]

Thanks for the report, we'll test this against Keycloak and see if we can reproduce. The OIDC integration is pretty new so there may be some rough edges.

[figureone]

Ok we tested against a Keycloak realm (both the generic OAuth2 provider and the OIDC provider), and both were able to log out successfully and redirect back to WordPress.

Do you have any other custom plugins or theme code hooking into wp_logout or logout_url?
https://developer.wordpress.org/reference/hooks/wp_logout/
https://developer.wordpress.org/reference/hooks/logout_url/

What URL is responding with the 502 bad gateway response, the WordPress server or the Keycloak server?

[zynexiz]

Hi,

Sorry for the late responce. I don't have anything hooking into wp_logout or logout_url to my knowledge. I will check this just to be safe. I think it's the WordPress instance itself that throw a 502 error, I'm using BunkerWeb, so it catches that error and shows an error page from BunkerWeb itself.

I will do some checking here and see if I can figure it out. It does actually logout though, I'm presented with a login page when going back to /wp-admin.