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OpenAdvisories
Medium · 6.8 CVE-2023-36473 EUVD-2023-40428

CSP nonce reuse vulnerability in Discourse

Published Jul 13, 2023 · Updated Oct 21, 2024 · Assigned by GitHub_M

Description

Discourse is an open source discussion platform. A CSP (Content Security Policy) nonce reuse vulnerability could allow XSS attacks to bypass CSP protection. There are no known XSS vectors at the moment, but should one be discovered, this vulnerability would allow the XSS attack to completely bypass CSP. The vulnerability is patched in the latest tests-passed, beta and stable branches.

Affected products

VendorProductAffectedFixed
discourse discourse stable >= 3.0.5, beta >= 3.1.0.beta6, tests-passed >= 3.1.0.beta6 —

References