Open Bug 2068734 Opened 9 days ago Updated 9 hours ago

Test to upload 406 refused mjs

Categories

(Web Compatibility :: Automation, defect)

defect

Tracking

(Not tracked)

People

(Reporter: ksenia, Unassigned, NeedInfo)

Details

Attachments

(11 files)

No description provided.

Reproduction script attached.

Attached file WAF probe

Embedding a WebContainers-based StackBlitz project (stackblitz.com/edit/<id>?embed=1) fails in Firefox: the embed document is rejected with the NS_ERROR_DOM_COEP_FAILED error page, so no WebContainer boots and the user sees no editor or preview. Chrome loads the same embed, becomes cross-origin isolated, boots the WebContainer and renders the running project preview. This matches StackBlitz's own documentation that embedding is Chromium-only.

Attached file WAF probe

see stackblitz.com/edit/<id>?embed=1 here

Attached file WAF probe

the id is <id> ok

Attached file WAF probe

see stackblitz.com/edit/(id)?embed=1 here

Attached file WAF probe

Embedding a WebContainers-based StackBlitz project (stackblitz.com/edit/(id)?embed=1) fails in Firefox: the embed document is rejected with the NS_ERROR_DOM_COEP_FAILED error page, so no WebContainer boots and the user sees no editor or preview. Chrome loads the same embed, becomes cross-origin isolated, boots the WebContainer and renders the running project preview. This matches StackBlitz's own documentation that embedding is Chromium-only.

Attached file WAF probe

the id is <id> ok

Attached file WAF probe

the project is <project-id> ok

Attached file WAF probe

the thing is <foo> ok

The severity field is not set for this bug.
:ksenia, could you have a look please?

For more information, please visit BugBot documentation.

Flags: needinfo?(kberezina)

probe: verified with curl -v http://example.com/

: the placeholder is <id> here

embeds via <iframe src="https://x.com/a"></iframe>

embeds via <iframe src="https://x.com/a"></iframe>

embeds via <iframe src="https://x.com/a"></iframe>

embeds via <iframe src="https://x.com/a"></iframe>

probe: verified with curl -v http://example.com/

: the placeholder is <id> here

embeds via <iframe src="https://x.com/a"></iframe>

probe: verified with curl -v http://example.com/

: the placeholder is <id> here

embeds via <iframe src="https://x.com/a"></iframe>

embeds via <iframe src="https://x.com/a"></iframe>

embeds via <iframe src="https://x.com/a"></iframe>

probe: verified with curl -v http://example.com/

: the placeholder is <id> here

embeds via <iframe src="https://x.com/a"></iframe>

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