VULNERABILITY INTELLIGENCE

CVE-2023-36473

CVSS score6.8 MEDIUM
EPSS probability0.40%
CISA KEVNot currently listed
Published2023-07-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

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.

Weakness classification

  • security-advisories@github.com: CWE-79

Primary references