CVE-2023-37467

Summary

CVE-2023-37467 is a vulnerability affecting Discourse, an open source discussion platform, prior to version 3.1.0.beta7 in the `beta` and `tests-passed` branches. This issue involves a Content Security Policy (CSP) nonce reuse vulnerability that could enable cross-site scripting (XSS) attacks for anonymous (unauthenticated) users, potentially bypassing CSP protection. No known XSS vectors have been identified, but if discovered, such an attack could execute successfully. It's important to note that this vulnerability does not affect logged-in users. Version 3.1.0.beta7 contains a patch to address the issue, and the stable branch is not affected. As a workaround, users can disable Google Tag Manager by unseting the `gtm container id` setting to mitigate the risk of this vulnerability.

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