Since last week, all plugins both core and installed have stopped functioning even when enabled on our forum. Initially I thought this was something to do with the previously mentioned bug FIX: Compile missing rollup plugin bundles on demand in development - #8 but we have run multiple updates since…

I’ve got the same problem with a bunnycdn. It was working fine until a recent update. I tried adding .js to the CORS headers at bunny.net as described here: [圖片] Code highlighting failed because bunny.net CDN Support Someone compained that code highlight…

Thanks Jay, we have Bunny and the fix you mentioned has sorted all the issues out now! Thank you and everyone for the help and support on this one, our forum is back to normal. Well as normal as it can be :smiley:

Glad to hear you got it sorted! [圖片] pfaffman: I don’t understand why this problem started when I upgraded In the new plugin system, we use script type="module", which requires the correct CORS headers to be set. Old-style script type="text/javascript" do not require those headers. We’ve be…

[圖片] david: We’ve been slowly migrating different systems Aha. That’s what I would not have guessed.

Just a heads up for folks, if you are using Azure Classic CDN this issue has started to occur. I am trying out a fix on the CDN side, but I may need to migrate to proper front door rather than classic CDN

[圖片] david: In the new plugin system, we use script type="module", which requires the correct CORS headers to be set. Old-style script type="text/javascript" do not require those headers. Yep, confirmed this issue on Azure Classic CDN too. You need to add a new rule to the rules engine, exam…

weirdly this issue hasn’t impacted themes, only plugins for us.

Is there somewhere to find instructions or guidance regarding these recent changes regarding CORS for those of us using Cloudflare?

@pfaffman @TomoftheFog @tanya_byrne @denvergeeks please could you confirm how your assets are configured? Do you just have a CDN + the application server? Or do you also store assets on S3/S3-compatible storage? If you are using S3/S3-compatible storage, then unfortunately the only reliable way is …

Added this information to the main topic: [圖片] Introducing a new build system for plugins CORS / Access-Control-Allow-Origin Errors If you experience CORS errors after the update, and you use a CDN, then you should run a full CLI rebuild (./launcher rebuild app) to pull in this change to the NGI…

所有插件因最近升级后的 CORS 错误而无法运行

支持安装

denvergeeks 2026年四月1日 01:28 11

对于使用 Cloudflare 的用户，是否有地方可以找到关于这些近期 CORS 变更的说明或指导？

話題		回覆	觀看
Code highlighting failed because bunny.net CDN Support cdn , cors	3	1541	2024年三月8日
Issue with Relative Path Causing CORS Error on Discourse Sites Bug	7	597	2025年五月18日
Latest update requires cache purge in CloudFlare Self-hosting	70	6797	2017年十二月5日
Aborting! CDN must have a protocol specified Support	6	1049	2019年五月20日
Sporadic infinite load after update Support	10	768	2023年八月31日

所有插件因最近升级后的 CORS 错误而无法运行

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