Our editors experience very often content not loading in the backoffice. The console shows
Failed to load resource: the server responded with a status of 417 (The required antiforgery header value "X-UMB-XSRF-TOKEN" is not present.)
I tried reading everything I could find, both on our and github. So far, no solution.
By hitting Refresh (and loosing any edits made), the content loads normally again, only to fail after short time.
Only package installed is Umbraco Forms (valid license).
This may not be the answer specifically for V9, but have seen this a lot recently because of people putting Cookie permission plugins on the front ends of the site.
Editor logs into Umbraco all fine, then previews or visits front end of site, and doesn't accept the cookies, which then wipes the backoffice cookies, when they return to edit something they get the 417 error which is related to the cookie going missing!
If this is the case here, then you need to add the Umbraco backoffice cookies to an 'ignored' or strictly necessary list in the cookie management plugin.
Required antiforgery header value "X-UMB-XSRF-TOKEN" not present - Umbraco backoffice
Using Umbraco 9.0.1
Our editors experience very often content not loading in the backoffice. The console shows
I tried reading everything I could find, both on our and github. So far, no solution.
By hitting Refresh (and loosing any edits made), the content loads normally again, only to fail after short time. Only package installed is Umbraco Forms (valid license).
Do I miss something? Any help apreciated.
Thanks
Hi Alex
This may not be the answer specifically for V9, but have seen this a lot recently because of people putting Cookie permission plugins on the front ends of the site.
Editor logs into Umbraco all fine, then previews or visits front end of site, and doesn't accept the cookies, which then wipes the backoffice cookies, when they return to edit something they get the 417 error which is related to the cookie going missing!
If this is the case here, then you need to add the Umbraco backoffice cookies to an 'ignored' or strictly necessary list in the cookie management plugin.
UMBUPDCHK, UMBUCONTEXT, UMB-XSRF-V, UMB-XSRF-TOKEN, UMBUCONTEXTC, UMB_PREVIEW
But if that's not the setup with your site, then your looking for something else that might be corrupting the backoffice cookies...
regards
Marc
I'm experiencing a similar issue on 9.3.1:
https://github.com/umbraco/Umbraco-CMS/issues/12060
Did you manage to find the culprit? I'm not using any cookie blocking/removal scripts on the front end of the website.
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